同义词
1)electron donating group,供电子取代基2)donative electron substituent,供电子取代基因3)electron withdrawing substituent,吸电子取代基4)Donor/acceptor substituents,给/吸电子取代基5)Electronic pushing and drawing substituents,推拉电子取代基6)co-metabolic substrate (electron donor),共代谢基质(电子供体)
