叔丁基、异丁基、甲基。hydro氢基－Hmethyl甲基－CH3ethyl乙基－C2H5isobutyl异丁基－CH2CH（CH3)allyl烯丙基－CH2－CH=CH22-propynyl2-丙炔基－CH2C≡CHBenzyl=-tolyl苄基（苯甲基）－CH2-PhIsopropyl=sec-propyl异丙基－CH（CH3)2vinyl乙烯基－CH=CH2Sec-butyl仲丁基cyclohexyl环己基propenyl丙烯基－CH=CH-CH3Tert-butyl叔丁基－C(CH3)3isopropenyl异丙烯基H2C=C(CH3)C-Acetenyl=ethynyl乙炔基－C≡CHbenzol苯基p-methylphenyl对甲苯基m-methylphenyl间甲苯基o-methylphenyl邻甲苯基o-nitrophenyl邻硝基苯基formyl甲酰基－COHacetyl乙酰基－COCH3benzoyl苯甲酰基－COPhcarboxy羧基－COOHbenzyloxycarbonyl苄氧羰基Tert-butoxycarbonyl叔丁氧羰基－COOC(CH3)3amino氨基（伯氨基）－NH2Methylamino-甲氨基－NHCH3dimethylamino二甲氨基－N(CH3)2diethylamino二乙氨基－N(C2H5)2acetamido乙酰氨基－NHCOCH3benzyloxycarbonylamino苄氧羰基氨基－NHCOOCH2Phnitro硝基－NO2hydroxy羟基—OHmethoxy甲氧基－OCH3benzyloxy苄氧基－OCH2Pdphenoxy苯氧基－OPdformyloxy甲酰氧基－OCOHacetoxy乙酰氧基－OCOCH3benzoyloxy苯甲酰氧基－OCOPdfluoro氟基－FThiohydroxy=mercapto=sulfhydryl巯基－SHMethylsulfonyl=mesyl甲基磺酰基－SO2CH3sulfo磺酸基－SO3Hchloro氯基－Clbromo溴基－Briodo碘基－I
