3 5-diamino-6-(2 3-dichlorophenyl)-1 2 4-triazine July 8, 2019 16 32 64 128 3-amino-6-(2 3-dichlorophenyl)-1 2 4-triazin-5(4h)-one 2 4-diamino-6-phenyl-1 3 5-triazine 6-phenyl-1 3 5-triazine-2 4-diamine