33859-67-5 1,2,4-Triazine, 5,6-diphenyl-, 4-oxide 1,2,4-Triazine, 5,6-diphenyl-, 4-oxide Catalog No.: 2188216 Name: 1,2,4-Triazine, 5,6-diphenyl-, 4-oxide CAS: 33859-67-5 Formula: C15H11N3O Inquire about this product →