瓜环又称葫芦脲，是一种新型包合材料，其结构为高度对称的笼状大环分子，具有疏水的内部空腔及由环绕的羰基氧原子端口。
Cucurbit [ n ] uril is that a kind of new inclusion compounds material , its structure is the lift symmetry cage-like in shape big cyclo-molecule and have the hydrophobic internal lacuna and from surround of the carbonyl oxidase atom port .
瓜环葫芦脲