中

酮

Unicode: U+916E

Pinyin: chóng tóng dòng

Definition

* 有机化合物的一类，是一个羰基和两个烃基连接而成的化合物。 ～体。～症

ketones

Structure

酮 graph

Related substructures

ZPEfdasp EG78rhlj ZIFejriG 0QehiVD4

Precursors

Transmitted Pre-Qin Forms
Pre-Qin forms (≤221 BCE) / late 2nd century BCE onward (Han → later textual transmission)
Pre-Qin character forms preserved through later textual transmission (often discussed as the 'Old Text' / guwen tradition). Shaped by repeated copying, they can diverge from excavated Warring States materials.Wikipedia ->
85_EFFD

Last Modified: 2026-01-29 11:48 UTC