7-amino-2-methoxy-5-(4-nitrophenyl)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile InChI=1/C15H12N6O4/c1-25-15-19-13-11(14(22)20-15)10(9(6-16)12(17)18-13)7-2-4-8(5-3-7)21(23)24/h2-5,10H,17H2,1H3,(H2,18,19,20,22 pyrido[2,3-d]pyrimidine-6-carbonitrile, 7-amino-3,4,5,8-tetrahydro-2-methoxy-5-(4-nitrophenyl)-4-oxo-