(1-(3-Oxo-2-aza-spiro[4.5]dec-2-ylmethyl)-cyclohexyl)acetic acid|(1-(3-Oxo-2-aza-spiro[4.5]dec-2-ylmethyl)-cyclohexyl)acetic acid ;|1-[(3-Oxo-2-azaspiro[4.5]dec-2-yl)methyl]-cyclohexaneacetic acid|1-[(3-Oxo-2-azaspiro[4.5]dec-2-yl)methyl]cyclohexaneacetic Acid;|Gabapentin Related Compound D;|Gabapentin USP Related Compound D ; (1-(3-Oxo-2-aza-spiro[4.5]dec-2-ylmethyl)-cyclohexyl)acetic acid ;|Gabapentin USP Related Compound D,