研究了偕二金属有机试剂3与氯化三烷基锡和碘的非对映选择性反应.The diastereoselective reactions of organogembismetallic reagent 3 with trialkyl tin chloride and iodine were studied....
The critics have denigrated our efforts.评论家贬低了我们的努力.For that whole group of citizens whose appeals for assistance have been similarly and irresponsibly denigrated.为所有的申诉求助后,被同样不负责任的诋毁的公众....