104907-81-5 1H-Pyrazole-4-carboxylic acid, 1-methyl-5-(2-methyl-4-oxo-3(4H)-quinazolinyl)-, ethyl ester Pyrazole-4-carboxylic acid, 5-(3,4-dihydro-2-methyl-4-oxoquinazolin-3-yl)-1-methyl-, ethyl ester, monohydrate