methyl 4-acetylbenzoate

methyl 4-acetylcyclohexane-1-carboxylate

methyl 4-amino-1,1-dioxo-1lambda6-thiane-4-carboxylate

methyl 4-amino-1,1-dioxo-1lambda6-thiane-4-carboxylate hydrochloride

methyl 4-amino-1,1-dioxo-1lambda6-thiolane-2-carboxylate hydrochloride

methyl 4-amino-1,2,3,4-tetrahydronaphthalene-1-carboxylate hydrochloride

methyl 4-amino-1,2,5-oxadiazole-3-carboximidate

methyl 4-amino-1,2,5-oxadiazole-3-carboxylate

methyl 4-amino-1,2-thiazole-3-carboxylate

methyl 4-amino-1,3-dimethyl-1H-pyrazole-5-carboxylate

methyl 4-amino-1,3-thiazole-2-carboxylate

methyl 4-amino-1,3-thiazole-5-carboxylate

methyl 4-amino-1,5-dimethyl-1H-pyrazole-3-carboxylate

methyl 4-amino-1-(2,2,2-trifluoroethyl)-1H-pyrazole-3-carboxylate

methyl 4-amino-1-(2,2,2-trifluoroethyl)-1H-pyrazole-3-carboxylate hydrochloride

methyl 4-amino-1-(2-{[(tert-butoxy)carbonyl]amino}ethyl)-1H-imidazole-5-carboxylate

methyl 4-amino-1-(5-chloro-3-fluoropyridin-2-yl)-1H-pyrazole-3-carboxylate

methyl 4-amino-1-(difluoromethyl)-1H-pyrazole-3-carboxylate

methyl 4-amino-1-(difluoromethyl)-1H-pyrazole-3-carboxylate hydrochloride

methyl 4-amino-1-benzothiophene-2-carboxylate hydrochloride

methyl 4-amino-1-benzyl-1H-pyrrole-2-carboxylate hydrochloride

methyl 4-amino-1-benzylpiperidine-4-carboxylate

methyl 4-amino-1-benzylpyrrolidine-3-carboxylate dihydrochloride

methyl 4-amino-1-cyclopropyl-1H-imidazole-5-carboxylate

methyl 4-amino-1-ethyl-1H-pyrazole-3-carboxylate hydrochloride

methyl 4-amino-1-ethyl-1H-pyrazole-5-carboxylate

methyl 4-amino-1-ethyl-3-methyl-1H-pyrazole-5-carboxylate

methyl 4-amino-1-hydroxycyclohexane-1-carboxylate hydrochloride

methyl 4-amino-1-methyl-1H-imidazole-5-carboxylate

methyl 4-amino-1-methyl-1H-pyrazole-3-carboxylate

methyl 4-amino-1-methyl-1H-pyrazole-3-carboxylate hydrochloride

methyl 4-amino-1-methyl-1H-pyrazole-5-carboxylate

methyl 4-amino-1-methyl-1H-pyrazole-5-carboxylate hydrochloride

methyl 4-amino-1-methyl-1H-pyrrole-2-carboxylate hydrochloride

methyl 4-amino-1-methyl-2-oxabicyclo[2.1.1]hexane-3-carboxylate; trifluoroacetic acid

methyl 4-amino-1-phenylcyclohexane-1-carboxylate hydrochloride

methyl 4-amino-1-[3-(trifluoromethyl)pyridin-2-yl]-1H-pyrazole-3-carboxylate

methyl 4-amino-1H-indazole-3-carboxylate

methyl 4-amino-1H-pyrazole-3-carboxylate

methyl 4-amino-1H-pyrazolo[3,4-d]pyrimidine-3-carboxylate

methyl 4-amino-1H-pyrrole-2-carboxylate hydrochloride

methyl 4-amino-2,2,6,6-tetramethyloxane-4-carboxylate hydrochloride

methyl 4-amino-2,2-dimethylbutanoate hydrochloride

methyl 4-amino-2,2-dimethyloxane-4-carboxylate

methyl 4-amino-2,3,5-trifluorobenzoate