methyl 4H,5H,6H,7H,8H-pyrazolo[1,5-a][1,4]diazepine-3-carboxylate hydrochloride

methyl 4H,5H,6H,7H,8H-pyrazolo[1,5-a][1,4]diazepine-7-carboxylate dihydrochloride

methyl 4H,5H,6H,7H,8H-thieno[3,2-c]azepine-2-carboxylate hydrochloride

methyl 4H,5H,6H,7H,8H-[1,2,3]triazolo[1,5-d][1,4]diazepine-3-carboxylate dihydrochloride

methyl 4H,5H,6H,7H,8H-[1,3]thiazolo[5,4-b]azepine-2-carboxylate

methyl 4H,5H,6H,7H-furo[2,3-c]pyridine-5-carboxylate hydrochloride

methyl 4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxylate hydrochloride

methyl 4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-3-carboxylate hydrochloride

methyl 4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-4-carboxylate dihydrochloride

methyl 4H,5H,6H,7H-pyrazolo[1,5-a]pyridine-3-carboxylate

methyl 4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine-2-carboxylate

methyl 4H,5H,6H,7H-pyrazolo[1,5-b]pyridazine-2-carboxylate

methyl 4H,5H,6H,7H-thieno[2,3-c]pyridine-2-carboxylate

methyl 4H,5H,6H,7H-thieno[2,3-c]pyridine-2-carboxylate hydrochloride

methyl 4H,5H,6H,7H-thieno[2,3-c]pyridine-3-carboxylate hydrochloride

methyl 4H,5H,6H,7H-thieno[2,3-c]pyridine-5-carboxylate hydrochloride

methyl 4H,5H,6H,7H-thieno[3,2-b]pyridine-6-carboxylate

methyl 4H,5H,6H,7H-thieno[3,2-b]pyridine-6-carboxylate hydrochloride

methyl 4H,5H,6H,7H-thieno[3,2-c]pyridine-2-carboxylate

methyl 4H,5H,6H,7H-thieno[3,2-c]pyridine-2-carboxylate hydrochloride

methyl 4H,5H,6H,7H-thieno[3,2-c]pyridine-4-carboxylate hydrochloride

methyl 4H,5H,6H,7H-thieno[3,2-c]pyridine-6-carboxylate

methyl 4H,5H,6H,7H-thieno[3,2-c]pyridine-6-carboxylate hydrochloride

methyl 4H,5H,6H,7H-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylate

methyl 4H,5H,6H,7H-[1,2]oxazolo[5,4-c]pyridine-3-carboxylate hydrochloride

methyl 4H,5H,6H,7H-[1,3]thiazolo[4,5-c]pyridine-2-carboxylate hydrochloride

methyl 4H,5H,6H,7H-[1,3]thiazolo[5,4-b]pyridine-2-carboxylate

methyl 4H,5H,6H-cyclopenta[b]thiophene-2-carboxylate

methyl 4H,5H,6H-furo[2,3-c]pyrrole-3-carboxylate hydrochloride

methyl 4H,5H,6H-pyrrolo[1,2-c][1,2,3]triazole-3-carboxylate

methyl 4H,5H,6H-thieno[2,3-c]pyrrole-2-carboxylate hydrochloride

methyl 4H,6H,7H-pyrano[3,4-d][1,2]oxazole-3-carboxylate

methyl 4H,6H,7H-pyrazolo[3,2-c][1,4]oxazine-2-carboxylate

methyl 4H,6H,7H-[1,2,3]triazolo[4,3-c][1,4]oxazine-3-carboxylate

methyl 4H-furo[3,2-b]pyrrole-5-carboxylate

methyl 4H-pyrrolo[2,3-d][1,3]thiazole-5-carboxylate

methyl 4H-thieno[3,2-b]pyrrole-2-carboxylate

methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate

methyl 5,5,5-trifluoro-3-oxopentanoate

methyl 5,5-difluoro-2,4-dioxopiperidine-3-carboxylate

methyl 5,5-difluoropiperidine-2-carboxylate hydrochloride

methyl 5,5-difluoropiperidine-3-carboxylate hydrochloride

methyl 5,5-dimethoxypiperidine-3-carboxylate

methyl 5,5-dimethyl-2,5-dihydro-1H-pyrrole-2-carboxylate hydrochloride

methyl 5,5-dimethyl-2,5-dihydro-1H-pyrrole-3-carboxylate hydrochloride