ChemInform Abstract: Synthesis and Conformational Analysis of Pyranophanones and Pyrylophanium Compounds with Intraannular Substituents.multi﹎embered O,S﹉eterocycles (O or S ring members)ring closure reactionsrearrangementspyran derivativesChemInform is a weekly Abstracting Service, delivering concise ...
百度试题 结果1 题目Cau 17: So phan lop e cua cua lop M (n =3) la: C A.1 B.2 C.3 D.4 相关知识点: 试题来源: 解析 C 反馈 收藏