[4-(4-Methoxy-5-methylcarbamoyl-acridin-9-ylamino)-3-methylamino-phenyl]-carbamic acid methyl ester

[3-Methylamino-4-(4-methylcarbamoyl-acridin-9-ylamino)-phenyl]-carbamic acid methyl ester

[3-Methylamino-4-(3-nitro-acridin-9-ylamino)-phenyl]-carbamic acid methyl ester

[4-(3-Methoxy-5-methyl-acridin-9-ylamino)-3-methylamino-phenyl]-carbamic acid methyl ester

N-(4-Amino-3-methylamino-phenyl)-methanesulfonamide