由二苯并-1,3-二氧杂 - 环辛烷 -2- 羧酸经两步反应制得, 总收率70%.It was prepared by the reaction of 12 H - dibenzo [ d , g ] [ 1,3 ] dioxocin - 6 - carboxylic acid with acetoxime....
...the hyperbole that portrays him as one of the greatest visionaries in the world.将他描绘成世界上最伟大的愿景家之一的夸张They are left-wing visionaries.他们是左翼空想家。One of the most celebrated visionaries is Maya Angelou.最著名的“预言家”这一是迈耶?安吉罗.Tru...