7-amino-5-(4-chlorophenyl)-2-(methylthio)-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carbonitrile InChI=1/C15H12ClN5OS/c1-23-15-20-13-11(14(22)21-15)10(9(6-17)12(18)19-13)7-2-4-8(16)5-3-7/h2-5,10H,18H2,1H3,(H2,19,20,21,22 pyrido[2,3-d]pyrimidine-6-carbonitrile, 7-amino-5-(4-chlorophenyl)-3,4,5,8-tetrahydro-2-(methylthio)-4-oxo-