官能团:
羟基hydroxyl group
羧基carboxy group
羰基carbonyl group
醛基aldehyde group
氨基amino group
肽键peptide bond
醚键ether link
双键double bond
三键triplebond
酯基ester group
酰基acyl group
(硝基nitro group 磺酸基sulfo group ...)
卤素halogen
(氯基chloro- 溴基bromo- ...)
腈基nitrile grouping
过氧基hydroperoxy radical
常见基团:
烃基alkyl radical(甲,乙,丙...)
苯基phenyl group
常见的就这么多了.