乙酰胆碱的失活 只，人C HO O-Ser-AChE 文0入N(CH3)3 Acetylcholine AChE-Ser-OH+ -OF A 4 乙酰胆碱的失活 HO N(CH3)3 O N(CH3)3 O Acetylcholine AChE-Ser-OH O N(CH3)3 HO O-Ser-AChE O + O-Ser-AChE AChE-Ser-OH + OH O