【化】 亲核原子定域能

nucleophilic

aromatic nucleophilic substitution; 代号SNAr。

mechanism of internal nucleophilic substitution

nucleophilic

unimolecular nucleophilic substitution; 代号SN1。

internal nucleophilic substitution【有化】

nucleophilic displacement

bimolecular nucleophilic substitution; 代号SN2。