1H-Benz(6,7)indazolo(2,3,4-fgh)naphth(2'',3'':6',7')indolo(3',2':5,6)anthra(2,1,9-mna)acridine-2,7,10,15-tetrol, tetrakis(hydrogen sulfate) (ester), tetrasodium salt 34599-04-7 Anthrasol Grey IMG C.I. 71001 C.I. Solubilized Vat Black 8 (8CI) Kubosol Gray S Vat Solubilized Gray S