1,2,5-Selenadiazole-3-carboxamide, 4-amino-N-methyl- 4-Amino-N-methyl-1,2,5-selenadiazole-3-carboxamide 7698-91-1 BRN 0743199 N-Methyl-4-amino-1,2,5-selenadiazole-3-carboxamide NSC 93169