Q: Add the comment (if true), that your GC procedure has been demonstrated to separate both D- and L-glucose derivatives. If not true, please carry out further GC analyses.
我分离的到化合物的糖是和标准品D-GLU比对的，保留时间一样，至于L-Glu,怎么能知道啊，请大家帮忙看看这个问题是怎样回答，还是做点什么实验？
Q: the butyl group linked directly to C-7. And the author should determine whether this compound is an artificial product.
化合物中引入正丁基，怀疑非天然产物，可事实确实，是从植物中分到的，怎样解释呢？
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