1H-Benz(6,7)indazole(2,3,4-fgh)naphth(2'',3'':6',7')indolo(3',2':5,6)anthra(2,1,9-mna)acridine-2,7,10,15-tetrone 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 2278-50-4 241813-61-6 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 BRN 0875765 Benzadone Grey M C.I. 71000 C.I. Vat Black 8 CERN kypova 8 [Czech] Caledon Grey M EINECS 218-906-1 Indanthren Grey M Indanthren Grey MG Mikethrene Grey M Mikethrene Grey MG Nihonthrene Grey M Ostanthren Grey M Paradone Grey M Paradone Grey MG Sed ostanthrenova M [Czech] Vat Gray S Vat Grey S Vat Grey V