5-{3'-methyl-5'-acetyl-4'-(4-nitrophenyl)-pyrazolo{3',4'-c}pyrazol-1-yl-sulfonyl}-8-quinolinol
1-(8-Hydroxy-quinoline-5-sulfonyl)-3-methyl-4-(4-nitro-phenyl)-1,3a,4,5-tetrahydro-pyrazolo[3,4-d]pyrimidine-6-thione
1-(8-Hydroxy-quinoline-5-sulfonyl)-3-methyl-4-(4-nitro-phenyl)-1,3a,4,5-tetrahydro-pyrazolo[3,4-d]pyrimidin-6-one
1-(8-Hydroxy-quinoline-5-sulfonyl)-4-(4-methoxy-phenyl)-3-methyl-1,3a,4,5-tetrahydro-pyrazolo[3,4-d]pyrimidine-6-thione
1-(8-Hydroxy-quinoline-5-sulfonyl)-4-(4-methoxy-phenyl)-3-methyl-1,3a,4,5-tetrahydro-pyrazolo[3,4-d]pyrimidin-6-one