2-Ethyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine
tert-Butyl 3-bromo-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate
(4,5,6,7-Tetrahydropyrazolo[1,5-a]pyrazin-2-yl)methanol
5-Methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-amine
2-Methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine
tert-Butyl 2-amino-6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate
5-(tert-Butoxycarbonyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylic acid
