| 英文同义词: | 7,7'-Diamino-5,5'-dichloro-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione;7-Amino-2-(7-amino-5-chloro-3-oxobenzo[b]thiophen-2(3H)-ylidene)-5-chlorobenzo[b]thiophen-3(2H)-one;C.I.73320;Helindon Grey BR;Benzo[b]thiophen-3(2H)-one, 7-amino-2-(7-amino-5-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)-5-chloro- |