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Pharmacology Autonomic nervous system 9a3b2c78

Neostigmine does not able to cross blood brain barrier because of its

A
Primary structure
B
Secondary structure
C
Teiary structure
D
Quaternary structure
High-Yield Explanation
Refer kDT 6/e p 101 Quaternary ammonium compounds are water soluble and thus cannot cross blood brain barrier. New Stickman is a quaernary derivative whereas physostigmine is a teiary amine
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