英文别名Pyrazolo[1,5-a]pyrazine-2,5(4H)-dicarboxylic acid, 6,7-dihydro-,5-(1,1-dimethylethyl) ester; 6,7-Dihydro-4H-pyrazolo[1,5-a]pyrazine-2,5-dicarboxylic acid 5-tert-butyl ester; 5-tert-butoxycarbonyl-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-2-carboxylic acid