炉帽
So far, though there have been increasing examples of inherently chiral calix [ 4] arenes with various substitution patterns ( upper and/ or lower rim, meta-position) and novel structures, most of them are cone and partial cone conformers.
至今已有大量上沿、下沿或间位取代的固有手性杯[4]芳烃被合成出来,但其中大部分都是锥形或部分锥形构象。
微语录 · 爱情句子
微语录 · 句子大全
微语录 · 个性签名