1,2,4-Triazolo(4,3-b)-1,2,4-triazine, 7-(4'-hydroxyphenyl)-3-methyl- 4-(3-Methyl-1,2,4-triazolo(4,3-b)(1,2,4)triazin-7-yl)phenol 86870-03-3 Phenol, 4-(3-methyl-1,2,4-triazolo(4,3-b)(1,2,4)triazin-7-yl)-