Synonyms: | C.I.Vatblack8;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-5,8,13,25-tetraone;5H-Benz(6,7)indazolo(2,3,4-fgh)naphth(2'',3'':6',7')indolo(3',2':5,6)anthra(2,1,9-mna)acridin-5,8,13,25(24H)-tetrone;Benzadone grey m;Brn 0875765;Caledon grey m |