4,10,11,11-tetramethyl-8-phenyl-2-oxa-3,8,9-triaza-dispiro[4.0.4.1]undeca-3,9-diene-1,7-dione 在
乙醇 作用下,
生成 4-isopropenyl-3-methyl-4-(5-methyl-3-oxo-2-phenyl-2,3-dihydro-1
H-pyrazol-4-yl)-4
H-isoxazol-5-one 、 alkaline earth salt of/the/ methylsulfuric acid