1H-Pyrrole-2-carboxamide,1-amino-(9CI)(159326-69-9)¹HNMR ETHYL 5-ISOPROPYL-4-OXO-3,4-DIHYDROPYRROLO[2,1-F][1,2,4]TRIAZINE-6-CARBOXYLATE(651744-40-0)¹HNMR Pyrrolo[1,2-b]pyridazine-3-carboxylic acid, 1,4-dihydro-4-oxo-, ethyl ester(156335-37-4)¹HNMR PYRAZOLO[1,5-A]PYRAZINE-2-CARBOXYLIC ACID, 4,5,6,7-TETRAHYDRO-4-OXO-, ETHYL ESTER(951626-95-2)¹HNMR ethyl 4-hydroxypyrrolo[1,2-f][1,2,4]triazine-6-carboxylate(869067-01-6)¹HNMR Pyrrolo[2,1-f][1,2,4]triazine-6-carboxylic acid, 1,4-dihydro-5-methyl-4-oxo-, ethyl ester(427878-70-4)¹HNMR