Chemical Name : Vat yellow 4
CAS : 128-66-5
Synonyms: 3,4,8,9-Dibenzpyrene quinone;Vat yellow 4
5150-42-5
18088-27-2
7569-26-8
Tetra
![(1,1-DIOXO-2,3-DIHYDRO-1H-BENZO[B]THIOPHEN-6-YL)METHYLAMINE](http://thsciimg.chemcd.cn/TS92422.gif)