10-Methyl-9-acridanone 10-Methylacridin-9(10H)-one 719-54-0 9(10H)-Acridinone, 10-methyl- (9CI) 9-Acridanone, 10-methyl- (8CI) EINECS 211-948-1 N-Methylacridone NSC 1189 NSC 54142