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[1,2-a]
[1,2-b]
[1,2-c]
[1,2-d]
[1,2-f]
[1,2-x]
[1,5-a]
[1,5-b]
[1,5-c]
[1,5-d]
[1,6-ad][1,7-a]
[2,1-a]
[2,1-b]
[2,1-c]
[2,1-d]
[2,1-e]
[2,1-f]
[2,1-]
[2,3-a]
[2,3-b]
[2,3-c]
[2,3-d]
[2,3-e]
[2,3-f]
[2,3-g]
[2,3-h]
[2,3-ij][2,4-b]
[3,2-a]
[3,2-b]
[3,2-c]
[3,2-d]
[3,2-e]
[3,2-g]
[3,2-f]
[3,2-h]
[3,4-a]
[3,4-b]
[3,4-c]
[3,4-d]
[3,4-e]
[3,4-f]
[3,4-g]
[3,4-]
[4,3-a]
[4,3-b]
[4,3-c]
[4,3-d]
[4,3-e]
[4,3-g]
[4,3-]
[4,5-a]
[4,5-b]
[4,5-c]
[4,5-d]
[4,5-e]
[4,5-f]
[4,5-g]
[4,5-h]
[4,5-]
[5,1-a]
[5,1-b]
[5,1-c]
[5,1-f]
[5,1-]
[5,4-b]
[5,4-c]
[5,4-d]
[5,4-e]
[5,4-f]
[5,4-]
[5,6-b]
[5,6-c]
[5,6-]
[6,1-b]
[6,1-]
[6,5-b]
[6,5-]
34070-53-6 2-hydroxy-7-methyl-2,3-dihydro-1H-pyrazolo[1,2-a]pyrazol-4-ium
64182-78-1 3H-Pyrazino[1,2-a]quinoxaline-3-carboxylic acid,1,2,4,4a,5,6-hexahydro-9-methyl-5-oxo-, phenylmethyl ester
70526-01-1 7,8-dihydrobenzo[c]pyridazino[1,2-a]cinnoline-6,9-dione
6368-87-2 3-(4-methylphenyl)-2-phenyltetrahydro-1H,5H-pyrazolo[1,2-a][1,2,4]triazol-1-one
64182-60-1 1H-Pyrazino[1,2-a]quinoxalin-5(6H)-one, 8-chloro-2,3,4,4a-tetrahydro-,monohydrochloride
257883-02-6 1H,5H-Pyrazolo[1,2-a]pyrazole-2-carboxylic acid,1-(2,6-dichlorophenyl)-6,7-dihydro-7,7-dimethyl-5-oxo-, methyl ester
64182-64-5 1H-Pyrazino[1,2-a]quinoxalin-5(6H)-one, 7-chloro-2,3,4,4a-tetrahydro-,monohydrochloride
67744-84-7 3-(4-methylphenyl)-7-phenylhexahydro-1H-pyridazino[1,2-a][1,2,5]triazepine-1,5(2H)-dione
391670-52-3 Indolo[1,2-a]quinazolin-5(6H)-one, 7-(1H-tetrazol-5-ylmethyl)- (9CI)
606123-98-2 Benzoic acid,4-[(1R)-6,7-dihydro-5-oxo-1-phenyl-1H,5H-pyrazolo[1,2-a]pyrazol-2-yl]-,ethyl ester
64182-73-6 3H-Pyrazino[1,2-a]quinoxaline-3-carboxylic acid,1,2,4,4a,5,6-hexahydro-5-oxo-8-[(trifluoroacetyl)amino]-, phenylmethylester
64182-69-0 3H-Pyrazino[1,2-a]quinoxaline-3-carboxylic acid,9-chloro-1,2,4,4a,5,6-hexahydro-5-oxo-, phenylmethyl ester
62442-52-8 3,7-diphenyltetrahydro-1H,5H-[1,2,4]triazolo[1,2-a][1,2,4]triazole-1,5-dione
33233-48-6 6-BROMO-2,3-DIHYDRO-1H-4.LAMBDA.~5~-PYRAZOLO[1,2-A]PYRAZOL-2-OL
257882-94-3 1H,5H-Pyrazolo[1,2-a]pyrazole-3-carboxylic acid,6,7-dihydro-7,7-dimethyl-5-oxo-1-(3,4,5-trimethoxyphenyl)-, methyl ester
62206-30-8 8-methyl-8,9,10,11-tetrahydropyrimido[1,2-a]perimidine
64182-59-8 3H-Pyrazino[1,2-a]quinoxaline-3-carboxylic acid,8-chloro-1,2,4,4a,5,6-hexahydro-5-oxo-, phenylmethyl ester