160455-71-0 3H-1,2,4-Triazol-3-one, 4,4'-methylenebis(2,4-dihydro-5-methyl-2-(oxiranylmethyl)- 4,4'-Methylenebis(2,4-dihydro-5-methyl-2-(oxiranylmethyl)-3H-1,2,4-triazol-3-one)