单词 pyridostigmine 释义 pyridostigmine Pharm.|prdstgmin|[ad. G. pyridostigmin: see pyridine and neostigmine s.v. neo- 1 b.]The ion (CH3)2NCOOC6H4N+CH3 or its bromide derivative, a whitish crystalline powder similar in action to neostigmine but weaker an...