Synonyms: 5H-Dinaphtho[2,3-a:2',3'-i]carbazole-5,10,15,17-tetrone,4,9-dibenzamido-1-methoxy- (7CI); 5H-Dinaphtho[2,3-a:2',3'-i]carbazole,benzamide deriv.; C.I. 69020; C.I. Vat Brown 25; Carbanthrene Red Brown 5R;Fenanthren Red Brown 5R; Indanthren Red Brown 5RF; Indanthrene Red Brown 5RF; IndanthreneReddish Brown 5RF; Mikethrene Red Brown 5RF; Ostanthren Reddish Brown 5RF