英文别名2-Ethyl 5-(2-methyl-2-propanyl) 6,7-dihydropyrazolo[1,5-a]pyrazine-2,5(4H)-dicarboxylate; Pyrazolo[1,5-a]pyrazine-2,5(4H)-dicarboxylic acid, 6,7-dihydro-, 5-(1,1-dimethylethyl) 2-ethyl ester; 5-N-Boc-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylic acid ethyl ester; O5-tert-butyl O2-ethyl 6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-2,5-dicarboxylate; 5-(tert-butyl) 2-ethyl 6,7-dihydropyrazolo[1,5-a]pyrazine-2,5(4H)-dicarboxylate; Ethyl 5-Boc-6,7-dihydropyrazolo[1,5-a]pyrazine-2(4H)-carboxylate; Ethyl 5-Boc-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate; 5-O-tert-butyl 2-O-ethyl 6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-2,5-dicarboxylate; 5-t-Butyl 2-ethyl 6,7-dihydropyrazolo[1,5-a]pyrazine-2,5(4H)-dicarboxylate 
