Cyclopropane rings are included within larger systems, such as triterpenes.三元环包含在较大的环系统中,像三萜类中.Under the optimum condition the yield of isopropyl cyclopropane carboxylate is 92 %.在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%.Cyclopropane car...
胭脂红的衣服很适合你的肤色, 你就买这件吧.The color of rouge goes with your complexion, pick this one.日落胭脂红, 无雨便是风.Sunset Carmine, no rain is wind.我们在酸奶和果汁中看到的胭脂红, 实际上是干胭脂虫的粉末!Carmine , which can be found in yoghurts and juice drinks , is a...