... formula: C21H30BrNO4 Molecular weight: 440.3712Scopolamine Butylbromide; N-butylhyoscinium bromide; hyoscine butylobromide; Hyoscine-N-Butyl Bromide; Hyoscine butylbromide; (1S,2R,4S,5S)-9-butyl ... Colic, renal colic or gastrointestinal peristalsis, such as hyperthyroidism. scopolamine N-butyl bromide