adj.二环的(两圈的；自行车的)
Shenyanglink, bicyclic, the entire three-ring are the number ah?? 沈阳一环，二环，三环的全程分别是多少啊？？？
Monocyclic compounds yield is up to 95% as bicyclic comp... 当双环裂解率达70%25时,单环收率仍可达95%25。
Aim: To sythesize pentanoate and hexanoate of caged bicyclic phosphate. 目的：合成笼状双环磷酸酯的戊酸酯及己酸酯衍生物。
Aim:To sythesize pentanoate and hexanoate of caged bicyclic phosphate. 目的:合成笼状双环磷酸酯的戊酸酯及己酸酯衍生物。
Aim: To synthesize carboxylate derivatives of caged bicyclic phosphate. 目的:合成笼状双环磷酸酯的羧酸酯衍生物。
