No.	Product Name	CAS No.	Molecular formula	Molecular weight
21	2-Nitroimidazole	527-73-1	C3H3N3O2	113.07
22	(R)-Glycidyl butyrate	60456-26-0	C7H12O3	144.17
23	Tiamulin Hydrogen fumarate-10%	55297-96-6 / 89708-74-7	C28H47NO4S.C4H4O4	609.82
24	(Bromomethyl)cyclobutane	17247-58-4	C5H9Br	149.03
25	Benzene phosphorus thiamine	22457-89-2	C19H23N4O6PS	466.45
26	Caronic anhydride	67911-21-1	C7H8O3	140.14
27	Cis-5-Norbornene-exo-2, 3-dicarboxylic anhydride	2746-19-2	C9H8O3	164.158
28	(R)-Propandiolcarbonate	16606-55-6	C4H6O3	102.09
29	(R)-(-)-Epichlorohydrin	51594-55-9	C3H5ClO	92.52
30	2-Chloromalonaldehyde	36437-19-1	C3H3ClO2	106.51
31	1-Bromo-2-butyne	3355-28-0	C4H5Br	132.99
32	Methyl 2-fluoro-3-oxopentanoate	180287-02-9	C6H9FO3	148.1323
33	2-(Aminomethyl)-1-ethylpyrrolidine	26116-12-1	C7H16N2	128.22
34	N, N-Diethyl-m-toluamide	134-62-3
35	EDPC, 4-Ethyl-2, 3-dioxo-1-piperazine carbonyl chloride	59703-00-3	C7H9N2O3Cl	204.61