常見(jiàn)例句Inversion of the original stereocenter via an efficient intramolecular SN2 amination affords the piperidine core of IS811, a potent CCR3 antagonist. 倒置原立體高效利用氮的分子內(nèi)2核心is811胺哌啶阻滯、烈性上CCR3拮抗. 返回 stereocenter