英文别名:6-Chloro-7-methyl-3-(1-oxonaphtho[2,1-b]thiophen-2(1H)-ylidene)-1H-indol-2(3H)-one;Algol Brown FFR;C.I.73680;Helindon Brown 3R;Indanthren Printing Brown 3R;2H-Indol-2-one, 6-chloro-1,3-dihydro-7-methyl-3-(1-oxonaphtho[2,1-b]thiophen-2(1H)-ylidene)-