N-ethyl-9-methoxy-5-nitropyrazolo<3,4,5-kl>acridine-2(6H)-ethanamine

N,N-diethyl-9-methoxy-5-nitropyrazolo[3,4,5-kl]acridine-2(6H)-propanamine

2-[2-(9-Methoxy-5-nitro-6H-pyrazolo[3,4,5-kl]acridin-2-yl)-ethylamino]-ethanol