fisher-tollen 's formulafisher-tollen's formulahemiacetal ring fformulahemiacetal ring formulahemiacetalringfformula半: half缩: contract; shrink醛: aldehyde环: ring; hoop式: type; style下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:半缩醛环式，即可在微信中查询翻译
