Synonyms: Pyrazolo(1,5-a)pyrido(3,4-e)pyrimidine-3-carboxylic acid, 6,7-dihydro-7-(2-amino-2-oxoethyl)-6-oxo-, ethyl ester;Pyrazolo(1,5-a)pyrido(3,4-e)pyrimidine-3-carboxylic acid, 7-(2-amino-2-oxoethyl)-6,7-dihydro-6-oxo-, ethyl ester;AC1MIMHO;LS-129173;148191-52-0