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美国药典标准品#1347518,异丙托溴铵品质A,Ipratropium Bromide Related Compound A (10 mg) ((1R,3r,5S,8r)-3-Hydroxy-8-methyl-8-(1-methylethyl)-8-azoniabicyclo[3.2.1]octane, bromide),CAS#58005-18-8