2-(2-(dimethylamino)ethyl)-5-nitro-2,6-dihydropyrazolo[3,4,5-kl]acridin-9-yl pivalate

2-(8-(benzyloxy)-5-nitropyrazolo[3,4,5-kl]acridin-2(6H)-yl)-N,N-diethylethan-1-amine

2-<2-(diethylamino)ethyl>-2,6-dihydro-5-nitropyrazolo<3,4,5-kl>acridin-9-yl butanoate

9-<<(1,1-dimethylethyl)dimethylsilyl>oxy>-N,N-diethyl-5-nitropyrazolo<3,4,5-kl>acridine-2(6H)-ethanamine

2-(9-(benzyloxy)-5-nitropyrazolo[3,4,5-kl]acridin-2(6H)-yl)-N,N-diethylethan-1-amine