Suzhou Yinsheng Chemical Co.,Ltd

ISO9002 certified enterprise

4,4'-Diamino Diphenyl Sulphone	4,4'-Dichloro Diphenyl Sulphone
o-Amino Diphenyl Sulfone	4,4'-Dihydroxy Diphenyl Sulphone
Diphenyl Sulphone	4,4'-Bis(4-chlorophenyl)sulfonyl-1,1'-biphenyl
3,3'-Diamino Diphenyl Sulphone	4,4'-bis(aminophenoxy)diphenylsulfone(BAPS)
3-HyhroxyPyridine	2-bromo-3-hydroxypyridine
2-Amino-3-Hydroxy Pyridine	2-amino-4,6-dimethoxy pyrimidine
2-nitro-3-HyhroxyPyridine	N-benzyl-tert-butylamine
3-methoxyl-2-nitropyridine	4,5-dicyanoimidazole
P-methylmercapto benzoic acid