tert-Butyl 6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate
Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate
5-Methyl-2-nitro-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one
2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one
5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile
Ethyl 7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-6-carboxylate
6,7-Dihydropyrazolo[1,5-a]pyridin-4(5H)-one
5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylic acid
2-Ethyl 5-(4-nitrobenzyl) 6,7-dihydropyrazolo[1,5-a]pyrazine-2,5(4H)-dicarboxylate
tert-Butyl 2-bromo-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate
2-(Benzyloxy)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one
tert-Butyl 2-bromo-6,7-dihydropyrazolo[1,5-a]pyrimidine-4(5H)-carboxylate
7-Bromo-2,3-dihydropyrazolo[5,1-b]oxazole
tert-Butyl 2-amino-4-methyl-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate
3-Ethyl 5-(4-nitrobenzyl) 6,7-dihydropyrazolo[1,5-a]pyrazine-3,5(4H)-dicarboxylate
Ethyl 2-oxo-1,2-dihydropyrazolo[1,5-a]pyridine-3-carboxylate
3,3-Dimethyl-2,3-dihydropyrazolo[5,1-b]oxazole-7-carboxylic acid
7-Bromo-3,3-dimethyl-2,3-dihydropyrazolo[5,1-b]oxazole
4-Nitrobenzyl 2-(((tert-butyldimethylsilyl)oxy)methyl)-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate
5-Cyclopropyl-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile
