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tetramethyl 2,2'-[1,4-phenylenebis[imino(1-acetyl-2-oxoethane-1,2-diyl)azo]]bisterephthalate

CAS NO.: 68516-73-4

Purity :95%

Pigment Yellow 138

CAS NO.: 30125-47-4

Purity :95%

Pigment Yellow 139

CAS NO.: 36888-99-0

Purity :95%

ethyl 4-[[2-chloro-4-[3-chloro-4-[(3-ethoxycarbonyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]phenyl]phenyl]diazenyl]-5-oxo-1-phenyl-4H-pyrazole-3-carboxylate

CAS NO.: 6358-87-8

Purity :95%

5-[2-(6-methyl-2-oxobenzimidazol-5-yl)hydrazinyl]-1,3-diazinane-2,4,6-trione

CAS NO.: 72102-84-2

Purity :95%