1-ethyl-5-oxopyrrolidine-3-carboxylic acid

1-ethyl-5-oxopyrrolidine-3-sulfonyl chloride

1-ethyl-5-phenyl-1H-imidazole-2-thiol

1-ethyl-5-phenyl-1H-pyrazole-4-carboxylic acid

1-ethyl-5-propyl-1H-1,2,3-triazole-4-carboxylic acid

1-ethyl-5-[(Z)-2-fluoro-2-(tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]-1H-pyrazole

1-ethyl-5-[2-(trimethylsilyl)ethynyl]-1H-pyrazole

1-ethyl-5-{5H,6H,7H,8H,9H-[1,2,4]triazolo[4,3-a]azepin-3-yl}-3-(trifluoromethyl)-1H-pyrazole

1-ethyl-6-(furan-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

1-ethyl-6-(pyridin-4-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

1-ethyl-6-(thiophen-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

1-ethyl-6-fluoro-1H-1,3-benzodiazol-2-amine

1-ethyl-6-fluoro-2-(1H-imidazol-2-yl)-2,3-dihydro-1H-indole

1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid

1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid

1-ethyl-6-fluoro-4-oxo-7-[4-(3-phenylpropanoyl)piperazin-1-yl]-1,4-dihydroquinoline-3-carboxylic acid

1-ethyl-6-fluoro-7-(4-nitrosopiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid

1-ethyl-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile

1-ethyl-6-methyl-1H-1,3-benzodiazole

1-ethyl-6-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

1-ethyl-6-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid

1-ethyl-6-methyl-4-[(oxan-4-yl)amino]-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile

1-ethyl-6-oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic acid

1-ethyl-6-oxo-1,6-dihydropyridazine-3-carboxylic acid

1-ethyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid

1-ethyl-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid hydrochloride

1-ethyl-6-oxopiperidine-3-carboxylic acid

1-ethyl-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

1-ethyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole

1-ethyl-7-methanesulfonyl-1H,2H,4H-pyrimido[4,5-d][1,3]oxazin-2-one

1-ethyl-7-methoxy-1,2,3,4-tetrahydroisoquinoline

1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid

1-ethyl-decahydro-1,5-naphthyridine

1-ethyl-N'-hydroxy-6-oxopiperidine-3-carboximidamide

1-ethyl-N,2-dimethylpiperidin-4-amine

1-ethyl-N,3-dimethylpiperidin-4-amine

1-ethyl-N,N-dimethyl-2,3-dioxo-1,2,3,4-tetrahydroquinoxaline-6-sulfonamide

1-ethyl-N,N-dimethyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazole-5-sulfonamide

1-ethyl-N-(2-fluorophenyl)piperidin-4-amine

1-ethyl-N-(2-methoxyphenyl)piperidin-4-amine

1-ethyl-N-(2-methylpropyl)-1H-pyrazol-4-amine dihydrochloride

1-ethyl-N-methyl-1H-pyrazol-4-amine dihydrochloride

1-ethyl-N-methyl-2-(1-methyl-1H-pyrazol-4-yl)-6-oxopiperidine-3-carboxamide

1-ethyl-N-methylcyclobutan-1-amine hydrochloride

1-ethyl-N-methylcyclopropan-1-amine hydrochloride