(delta(sup 2,2'(3H,3'H))-Bibenzo(b)thiophene)-3,3'-dione, 6,6'-diethoxy- (delta2,2'(3H,3'H)-Bibenzo(b)thiophene)-3,3'-dione, 6,6'-diethoxy- (8CI) 3263-31-8 6,6'-Diethoxythioindigo 6-Ethoxy-2-(6-ethoxy-3-oxobenzo(b)thien-2(3H)-ylidene)benzo(b)thiophene-3(2H)-one Ahcovat Printing Orange R Algol Orange RF Amanthrene Orange R Benzo(b)thiophen-3(2H)-one, 6-ethoxy-2-(6-ethoxy-3-oxobenzo(b)thien-2(3H)-ylidene)- C.I. 73335 C.I. VAT ORANGE 5 Calcaloid Printing Orange RYW Calcoloid Printing Orange RE Calcoloid Printing Orange RYW Ciba Orange R Ciba Orange RDL Ciba Orange RP Durindone Orange R Durindone Orange RP Durindone Printing Orange R EINECS 221-869-4 Heliane Orange RF Helindon Orange R Hostavat Orange R Mikethrene Orange R NSC 47718 Nihonthrene Fast Orange R Oranz kypova 5 [Czech] Palanthrene Orange R Sandothrene Orange R Solindene Orange R Solindene Orange RF Sulfanthrene Orange R Sulfanthrene Orange