Synonyms: (7(S)-(1alpha,2beta,4beta,5alpha,7beta))-3-Oxa-9-azatricyclo(3.3.1.02,4)non-7-yl (hydroxymethyl)phenylacetate;Norhyoscine;Benzeneacetic acid, alpha-(hydroxymethyl)-, 3-oxa-9-azatricyclo(3.3.1.0(2,4))non-7-yl ester, (7(S)-(1alpha,2beta,4beta,5alpha,7beta))-;(1R,2S,4R,5S)-3-oxa-9-azatricyclo[3.3.1.0~2,4~]non-7-yl (2S)-3-hydroxy-2-phenylpropanoate;3-oxa-9-azatricyclo[3.3.1.0~2,4~]non-7-yl 3-hydroxy-2-phenylpropanoate