1,4-Diacetyl-1,4-dihydropyrido(3,4-e)as-triazine 1,4-Dihydro-1,4-diacetylpyrido(3,4-e)-1,2,4-triazine 76603-04-8 Pyrido(3,4-e)-1,2,4-triazine, 1,4-dihydro-1,4-diacetyl-