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

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

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

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

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