diethyl [[[3-(4,7-dihydro-7-oxo-1H-1,2,3-triazolo[4,5-d]pyrimidin-5-yl)-4-propoxyphenyl]amino]methylene]malonate

[[[3-[(4,7-Dihydro-7-oxo-1H-1,2,3-triazolo[4,5-d]pyrimidin)-5-yl]-4-propoxyphenyl]amino]methylene]propanedioic acid diethyl ester