That's the nature of total synthesis...
not KC's fault.
Making a molecule with a 15-step reaction,
let's suppose every step has 90% yield.
check out what's the overall yield you get?
【 在 windaus (yuyu) 的大作中提到: 】
: 呵呵，虽然此公什么分子都能合成，但是产率确实不敢恭维。
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修改:ahgan FROM 142.103.36.*
FROM 142.103.36.*