N-Butyl Scopolammonium Bromide ; (1R,2R,4S,5S,7s,9r)-9-Butyl-7-[[(2S)-3-hydroxy-2-phenylpropanoyl]oxy]-9-methyl-3-oxa-9-azoniatricyclo-[3.3.1.02,4]nonane bromide ; CAS # 149-64-4 ;

Norhyoscine ; N-Desmethyl Hyoscine ; 9-Azatricyclo[3.3.1.02,4]non-7-yl (2S)-3-hydroxy-2-phenylpropanoate ; CAS # 4684-28-0 ;

Apohyoscine ; Aposcopolamine ; α-Methylenebenzeneacetic acid (1α,2β,4β,5α,7β)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]non-7-yl ester ; CAS # 535-26-2 ;

Hyoscyamine EP Impurity A ; DL-Tropic Acid ; (2RS)-3-Hydroxy-2-phenylpropanoic acid ; α-(Hydroxymethyl)benzeneacetic acid ; CAS # 552-63-6 ;

Hyoscyamine Sulfate Dihydrate ; Bis[(1R,3r,5S)-8-Methyl-8-azabicyclo[3.2.1]oct-3-yl (2S)-3-hydroxy-2-phenylpropanoate] sulfate dihydrate ; CAS # 620-61-1 (Sulfate) ; 101-31-5 (Free Base) ;

(-)-Scopolamine Hydrobromide ; (1R,2R,4S,5S,7s)-9-Methyl-3-oxa-9-azatricyclo[3.3.1.02,4]non-7-yl (2S)-3-hydroxy-2-phenylpropanoate hydrobromide ; CAS # 114-49-8 (anhydrate) ; 6533-68-2 (hydrate) ;