Synonyms: (1R,2R,4S,5S,7s)-7-Hydroxy-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane Bromide, 1aH,5aH-Tropanium, 6ß,7ß-epoxy-3a-hydroxy-8-methyl-, bromide (8CI), 3-Oxa-9-azoniatricyclo[3.3.1.02,4]nonane, 7-hydroxy-9,9-dimethyl-, bromide, (1a,2ß,4ß,5a,7ß)- (9CI), N-Methylscopinium bromide (7CI), 3-Oxa-9-azatricyclo[3.3.1.02,4]nonane, 3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane deriv., BEA 2180 alcohol, Methscopinium bromide, N-Methylscopine bromide, Scopine methobromide, 3-Oxa-9-azoniatricyclo[3.3.1.02,4]nonane, 7-hydroxy-9,9-dimethyl-, bromide (1:1), (1R,2R,4S,5S)-rel-, Tiotropium Bromide Monohydrate Imp. G (EP), (1R,2R,4S,5S,7s)-7-Hydroxy-9,9-dimethyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-ium Bromide, Tiotropium Related Compound G (USP)