2-(ethylthio)-3,5-dimethyl-4-oxo-1-phenyl-3,4-dihydropyrimidin-1-ium-6-olate InChI=1/C14H16N2O2S/c1-4-19-14-15(3)12(17)10(2)13(18)16(14)11-8-6-5-7-9-11/h5-9H,4H2,1-3H pyrimidinium, 2-(ethylthio)-3,4-dihydro-6-hydroxy-3,5-dimethyl-4-oxo-1-phenyl-, inner salt