2877-69-2 4-(2,4,6-Triamino-5-pyrimidinylazo)benzenesulfonamide 5-25-18-00289 (Beilstein Handbook Reference) BRN 0334202 Benzenesulfonamide, p-(2,4,6-triamino-5-pyrimidinyl)azo- NSC 84124 Py-72