87253-02-9 Benzenebutanoic acid, gamma-amino-, hexyl ester, hydrochloride, (+-)- Butyric acid, 4-amino-4-phenyl-, hexyl ester, hydrochloride, DL- DL-4-Amino-4-phenylbutyric acid hexyl ester hydrochloride DL-4-Phenyl-4-aminobuttersaeure-n-hexylaester hydrochlorid [German]