12236-65-6 129653-92-5 14295-43-3 2-19-00-00194 (Beilstein Handbook Reference) 4,4',7,7'-Tetrachlorothioindigo 4,7-Dichloro-2-(4,7-dichloro-3-oxobenzo(b)thien-2(3H)-ylidene)benzo(b)thiophen-3(2H)-one 4,7-Dichloro-2-(4,7-dichloro-3-oxobenzo(b)thien-2(3H)-ylidene)benzo(b)thiophene-3(2H)-one BRN 0348146 Benzo(b)thiophen-3(2H)-one, 4,7-dichloro-2-(4,7-dichloro-3-oxobenzo(b)thien-2(3H)-ylidene)- C.I. Pigment Red 88 Cromophtal Bordeaux R Cromophtal Bordeaux RN Cromophtal Bordeaux RS EINECS 238-222-7 Permanent Red Violet MR Pv Red Violet MR