Butanediamide, N1-[3-[3-[[(1,1-Dimethylethyl)Amino]Carbonyl]Octahydro-2(1H)-Isoquinolinyl]-2-Hydroxy-1-(Phenylmethyl)Propyl]-2-[(2-Quinolinylcarbonyl)Amino]-, [3S-[2[1R*(R*),2S*],3A,4Ab,8Ab]]-, Monomethanesulfonate (Salt)

If you want to analyze the chemical structure of this substance in detail, you need to follow various clues and methods. The first observation of its physical properties, such as color, morphology, odor, melting boiling point and solubility, can be used to explore the structure. If it is a solid, its crystal form may suggest the mode of interaction between molecules; if it has a special odor, or contains specific functional groups.
The second time you try it by chemical methods. Through characteristic chemical reactions, you can detect the functional groups in it. If it can react with acids or bases, you can infer the groups it may contain according to the type and conditions of the reaction. Redox reactions can also be used to observe the reactivity and products to understand the properties of chemical bonds in the structure.
Instrumental analysis is a powerful tool for accurate analysis. Infrared spectroscopy can reveal the vibrational frequencies of chemical bonds in molecules, and identify functional groups accordingly. For example, the stretching vibration of carbonyl groups has specific absorption peaks, which can help to confirm the structural units containing carbonyl groups. Nuclear magnetic resonance spectroscopy, whether it is hydrogen spectroscopy or carbon spectroscopy, can reveal the chemical environment of atoms and the way they are interconnected. The peak position, peak area and fragmentation of hydrogen spectroscopy can infer the type and number of hydrogen atoms and the relationship between adjacent hydrogen atoms; carbon spectroscopy can provide the skeleton information of carbon atoms.
mass spectrometry can determine the relative molecular mass and analyze the cracking mode of molecules through fragmented ions to infer the structure. Elemental analysis can determine the composition ratio of each element, providing basic data for constructing possible structures.
Only by synthesizing all the results and confirming each other can the chemical structure of this object be accurately analyzed. After the initial judgment of physical properties, the exploration of chemical properties, and the accurate data of instrumental analysis, the silk is stripped and the cocoon is peeled off, and the layer by layer derivation will be able to clarify the delicacy of its chemical structure.

The main physical and chemical properties of a substance often involve its morphology, melting point, solubility, density, stability, etc. Today, it is said in ancient French:
Under the normal state of the substance, it is either a solid state with a solid texture, like a rock; or a liquid state, flowing like a stream, moist and smooth; or a gaseous state, ethereal and invisible, permeating the air. The number of its melting point is related to the transformation from solid state to liquid state. When the temperature rises to a certain value, it melts into a liquid. If this value is measured in Huaxia antiquity, it may be recorded as a certain number of degrees. The same is true for the boiling point. When it reaches a certain temperature, the liquid turns into gas and rises.
In terms of solubility, it is soluble in water or soluble, such as salt melts in water, which is invisible and formless, and water also increases its taste; or insoluble, like oil floating in water, distinct. In other solvents, it also has different performances.
The density is related to its weight ratio to the same volume of water. If it is larger than water, it sinks to the bottom of the water; if it is smaller than water, it floats on the water surface. This is the key to distinguish its sinking and floating in water.
Stability is crucial. Under normal temperature and pressure, or its properties are stable and unchanged for a long time, just like the ancient bronze, it does not rust after years; or it is easy to react with other things, and it is active and abnormal. It will ring when it encounters water, and burn when it encounters fire. And light, heating and other conditions can also change its properties. Such as some substances, it decomposes when exposed to light, and evaporates when heated.
It also has properties such as electrical conductivity and thermal conductivity. Those with good electrical conductivity, such as copper and iron, can transfer electricity over thousands of miles; those with strong thermal conductivity, can quickly transfer temperature and heat for various purposes. This is an overview of the main physical and chemical properties of the substance. It can be seen that its properties are a guide for use.

This substance is widely used in the field of medicine. It has the ability to heal wounds and diseases and nourish the viscera.
In the treatment of trauma, this substance is often used for external application. In ancient wars, there were still frequent wars, and every soldier had a wound, it was applied to the wound, which could quickly stop bleeding, prevent infection, promote muscle regeneration, and help the wound heal. For example, in the "Encyclopedia of Selecting Doctors", this medicine was often used in the military for knife and arrow wounds. When applied, the blood would relieve pain and reduce, and it would heal in a few days.
In the treatment of viscera diseases, this substance also has special merits. It can regulate the spleen and stomach. If a person's spleen and stomach are weak, the transportation and transformation are abnormal, resulting in loss of appetite, abdominal distension and loose stools, etc., using this substance as medicine can strengthen the transportation of the spleen and stomach, restore its transportation and transformation duties, increase appetite, and reduce stagnation. "On the Spleen and Stomach" says that the use of this medicine is reasonably compatible, so that the spleen and stomach can be adjusted, and the water and valley can be transported in an orderly manner.
It can also calm the mind. If a person is uneasy due to emotional failure or excessive thinking, insomnia and multiple dreams, this substance can be used in combination with various medicines to calm the mind and help sleep and settle the mind. "Compendium of Materia Medica" also says that it has the effect of regulating and treating diseases of the mind, which can make people calm and sleep peacefully.
In addition, in pediatrics, this substance also has the effect of improving children's malnourishment and other diseases. Children's viscera are delicate, improper feeding is easy to cause malnourishment, body weight loss, abdominal distension and blue veins. Reasonable preparation of this medicine can eliminate accumulation and guide stagnation, help children restore spleen and stomach function, and thrive. Many ancient pediatric classics have relevant records, saying that it has a definite effect on children's malnourishment.

"Tiangong Kaiwu" is a scientific and technological work written by Song Yingxing in the Ming Dynasty. The book has detailed records on the manufacturing methods of many things. However, because you do not specify the specific things you refer to, take the "ink" common in ancient times as an example to briefly describe its manufacturing method.
The manufacture of ink is quite exquisite. The first material selection is mostly pine smoke and oil fume as the main raw materials. For pine smoke ink, high-quality pine wood needs to be selected. The pine wood is placed in a kiln, sealed and fired, so that it is not completely burned, so as to collect the soot produced by it. This soot is extremely delicate and is the basis for ink making.
Oil soot ink uses tung oil, lard and other oils as raw materials. In a confined space, ignite the grease, let it burn to produce oil fume, and collect and screen it for later use.
After selecting the raw materials, it is the mixing process. Mix the soot and glue in a certain proportion. The glue is mostly made of cowhide glue, etc., and its function is to shape the ink and enhance its viscosity. When mixing the material, it is necessary to fully stir to make the soot and glue evenly fused. This process is very critical. If the ratio is slightly improper, it will affect the quality of the ink.
Next is beating. Beat the reconciled material repeatedly to enhance its toughness and density. The more times you beat, the tighter the texture of the ink, and the more uniform and lasting the ink color when writing.
After beating, it enters the molding stage. Put the material into a special mold and press to form. The mold has various shapes, or is square, round, or engraved with exquisite patterns and text, which is both practical and ornamental.
The ink after molding needs to be dried by air. This process should pay attention to control the temperature and humidity, not too fast or too slow. After drying, it is polished and modified to remove surface defects and make the ink smooth and flat.
Finally, decorative processes such as adding color and gold painting can be carried out according to needs to improve the appearance quality of the ink. In this way, a good ink is made.

The monatomic acid anhydride (anhydride) of this substance has the following characteristics:
First, it is chemically active. Monatomic acid anhydride often has high reactivity and is easy to react with many substances. In an aqueous environment, it is easy to combine with water to form corresponding acids. This reaction is often quite rapid and violent. For example, a monatomic acid anhydride meets water and instantly turns into an acid solution, releasing considerable heat at the same time. This property makes it an important raw material in chemical production for the preparation of various acid compounds.
Second, it has strong oxidizing properties. Some monatomic acid anhydrides contain high-valence central atoms, making them highly oxidizing. In a specific chemical reaction, it can capture the electrons of other substances and cause other substances to undergo oxidation reactions. For example, in a redox reaction system, this single-atom anhydride can oxidize low-priced metal ions to high-valence states, and itself is reduced, showing its strong oxidizing properties. This property has important applications in metallurgy and chemical synthesis.
Third, the structure is unique. The structure of a single-atom anhydride is constructed around a single central atom, and the surrounding coordination atoms are arranged according to a specific geometric configuration. This unique structure gives it the physical and chemical properties that distinguish it from other compounds. Due to its compact structure, the intermolecular forces are different from common compounds, causing its physical properties such as melting point and solubility to exhibit unique properties. For example, some monatomic anhydrides are gaseous at room temperature and pressure, while some are solid, and their solubility in different solvents varies significantly, all of which are closely related to their unique structures.
Fourth, it is widely used. Based on the above characteristics, monatomic anhydrides are widely used in many fields such as industry, agriculture, medicine, etc. In industry, they are used in the manufacture of chemical products such as dyes, plastics, and fibers; in agriculture, they can be used as raw materials for soil amendments or certain pesticides; in the pharmaceutical field, they participate in the synthesis of various drugs and play an important role in human health.