Synonyms: 1aH,5aH-Tropanium, 8-butyl-6b,7b-epoxy-3a-hydroxy-,bromide, (-)-tropate (8CI);3-Oxa-9-azoniatricyclo[3.3.1.02,4]nonane,9-butyl-7-[(2S)-3-hydroxy-1-oxo-2-phenylpropoxy]-9-methyl-, bromide, (1a,2b,4b,5a,7b)- (9CI);N-Butylscopolammonium bromide (6CI,7CI);(-)-Scopolaminebutylbromide;N-Butylhyoscinium bromide;N-Butylscopolaminium bromide;