32524-37-1 5-((2,4-Dichlorophenyl)azo)-2,4,6-triaminopyrimidine 5-25-18-00285 (Beilstein Handbook Reference) BRN 0309578 Py-69 Pyrimidine, 5-((2,4-dichlorophenyl)azo)-2,4,6-triamino-