p. 5450 - 5454
(2015/01/08)ethyl 4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate
4-methoxybenzoic acid
N-(2-chloroethyl)-2-nitro-N-(prop-2-ynyl)benzenesulfonamide
ethyl 5-(2-nitrophenylsulfonyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate
5-(4-methoxybenzoyl)-N-(tetrahydro-2H-pyran-2-yloxy)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxamide
N-hydroxy-5-(4-methoxybenzoyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxamide
5-(4-methoxybenzoyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylic acid