(+-)-5-Hydroxytryptophan 114-03-4 4298-20-8 5-22-14-00278 (Beilstein Handbook Reference) 5-Hydroxy-DL-tryptophan 5-Hydroxytryptophan DL-form BRN 0088199 DL-Pretonine DL-Tryptophen, 5-hydroxy- (9CI) EINECS 204-039-6 NSC 92523 Tryptophan, 5-hydroxy-, DL- dl-Hydroxytryptophan