1-(4-ethoxyphenyl)-2-(ethylthio)-4-oxo-3-phenyl-5-propyl-3,4-dihydropyrimidin-1-ium-6-olate InChI=1/C23H26N2O3S/c1-4-10-20-21(26)24(17-11-8-7-9-12-17)23(29-6-3)25(22(20)27)18-13-15-19(16-14-18)28-5-2/h7-9,11-16H,4-6,10H2,1-3H pyrimidinium, 1-(4-ethoxyphenyl)-2-(ethylthio)-3,4-dihydro-6-hydroxy-4-oxo-3-phenyl-5-propyl-, inner salt