C.I.73305

Vat Red 47

Vat red 47 (C.I. 73305)

6,6'-Dichloro-Δ2,2'(3H,3'H)-bi[benzo[b]thiophene]-3,3'-dione

6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one