Gabapentin EP Impurity - B

2-(1-Cyanocyclohexyl)Acetic Acid; 1-Cyanocyclohexaneacetic Acid; (1-Cyanocy-clohexyl)-acetic Acid; Gabapentin Impurity B (IP); (1-Cyanocyclohexyl)Acetic Acid; Gabapentin Related Compound B (USP);