Patent ID: 7786163

Claim:
A compound selected from the group consisting of: 6-Amino-5-oxo-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile hydrochloride, 6-Amino-6-methyl-5-oxo-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile, 6-Amino-6-ethyl-5-oxo-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile hydrochloride, 6-Amino-6-isopropyl-5-oxo-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile hydrochloride, 6-Amino-6-cyclopentyl-5-oxo-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile hydrochloride, 6-Amino-6-cyclohexyl-5-oxo-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile hydrochloride, 6-Amino-6-isobutyl-5-oxo-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile hydrochloride, 6-Amino-6-sec-butyl-5-oxo-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile hydrochloride, 6-Amino-5-oxo-6-phenethyl-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile hydrochloride, 6-Amino-6-benzyl-5-oxo-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile hydrochloride, 6-Amino-6-cyclohexylmethyl-5-oxo-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile hydrochloride, 6-Amino-6-(4-fluoro-phenyl)-5-oxo-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile hydrochloride, and 6-Amino-5-oxo-6-phenyl-hexahydro-pyrrolo[2,1-b]thiazole-3-carbonitrile hydrochloride.