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 ;

Hyoscine Hydrobromide Trihydrate ; (-)-Scopolamine Hydrobromide Trihydrate ; CAS # 114-49-8 (anhydrous) ; 6533-68-2 (trihydrate) ;

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

Homatropine Methylbromide EP Impurity D ; Hyoscine Methyl Impurity ; (1R,2R,4S,5S,7s)-7-[[(2S)-3-Hydroxy-2-phenylpropanoyl]oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide ; CAS # 155-41-9 ;

Hyoscine Propyl Impurity ; (1R,2R,4S,5S,7s,9r)-7-[[(2S)-3-Hydroxy-2-phenylpropanoyl]oxy]-9-methyl-9-propyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane ;

Hyoscine N-Butyl Impurity ; (1R,2R,4S,5S,7s)-9-Butyl-3-oxa-9-azatricyclo[3.3.1.02,4]-nonan-7-yl (2S)-3-hydroxy-2-phenylpropanoate HCl ; CAS # 22235-98-9 (HCl) ; 14861-14-4 (Base) ;

(1R,2R,4S,5S,7s,9s)-9-Butyl-7-[[(2S)-3-hydroxy-2-phenylpropanoyl]oxy]-9-methyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane ;

Apobuscopan ; Hyoscine Apo-N-Butyl Impurity (Bromide) ; (1R,2R,4S,5S,7s,9r)-9-Butyl-9-methyl-7-[(2-phenylprop-2-enoyl)oxy]-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide ; CAS # 92714-23-3 (Bromide) ;