English 
Formic acid is an organic compound with a chemical formula of HCOOH and a molecular weight of 46.03. It is commonly known as formic acid and is the simplest carboxylic acid.
Acetonitrile has been used as an organic modifier and solvent in thin layer chromatography, paper chromatography, spectroscopic and polarographic analysis in recent years.
Hydrazine hydrate, also known as hydrazine hydrate, is an inorganic compound with a chemical formula of N2H4·H2O. It is a colorless, transparent fuming liquid with a light ammonia smell.
Furfuryl alcohol is an organic compound containing furans substituted with hydroxymethyl groups. It is a colorless liquid, but aged samples are amber in color. It has a faint burning smell and a bitter taste. It is miscible with water but unstable in water. It is soluble in common organic solvents.
