Pyrazolo[1,5-a]pyrazine-5(4H)-carboxylic acid, 2-formyl-6,7-dihydro-, 1,1-dimethylethyl ester
Pyrazolo[1,5-a]pyrazine-5(4H)-carboxylic acid, 2-formyl-6,7-dihydro-, 1,1-dimethylethyl ester ·
Pyrazolo[1,5-a]pyrazine-5(4H)-carboxylic acid, 2-formyl-6,7-dihydro-, 1,1-dimethylethyl ester ·