938192-23-5

ethyl4-hydroxypyrrolo[2,1-f][1,2,4]triazine-5-carboxylate ethyl 4-hydroxypyrrolo[1,2-f][1,2,4]triazine-5-carboxylate Ethyl 4-Oxo-3,4-dihydropyrrolo[2,1-F][1,2,4]triazine-5-carboxylate Ethyl 4-oxo-1,4-dihydropyrrolo[2,1-f][1,2,4]triazine-5-carboxylate Pyrrolo[2,1-f][1,2,4]triazine-5-carboxylic acid, 1,4-dihydro-4-oxo-, ethyl ester