1,2,4-Triazine-2(3H)-acetic acid, 5,6-bis(4-methoxyphenyl)-alpha-ethyl-3-oxo-, ethyl ester 108734-83-4 2-(1-Ethoxycarbonyl-1-propyl)-3-oxo-5,6-di(paramethoxyphenyl)-as-triazine Ethyl 5,6-bis(4-methoxyphenyl)-alpha-ethyl-3-oxo-1,2,4-triazine-2(3H)-acetate