1 0WG 7-amino-6-(aminomethyl)-5-(2-bromophenyl)-1,3-dimethylpyrido[2,3-D]pyrimidine-2,4(1h,3h)-dione 1.000 2 F2K (5~{S})-7-azanyl-5-(4-chlorophenyl)-2,4-bis(oxidanylidene)-1,5-dihydropyrano[2,3-D]pyrimidine-6-carbonitrile 0.769