(S)-2-Aminohexanoic acid 2-Aminocaproic acid 2-Aminohexanoic acid 327-57-1 4-04-00-02686 (Beilstein Handbook Reference) 496-90-2 5157-09-5 BRN 1721750 Caprine EINECS 206-321-4 Glycoleucine Hexanoic acid, 2-amino-, (S)- L-(+)-Norleucine L-Norleucine NORLEUCINE NSC 10378 Norleucine (VAN) alpha-Aminocaproic acid