Nitrobenzoic acids硝基苯甲 酸 COOH COOH COOH NO2 NO NO 2-Nitrobenzoic acid 3-Nitro benzic acid 4-Nitrobenzic acid 0-Nitrobenzoic acid m-Nitrobenzoic acid p-Nitrobenzoic acid (邻-硝基苯甲酸)(间-硝基苯甲酸)(对-硝基苯甲酸)
Nitrobenzoic acids 硝基苯甲 酸 COOH COOH COOH 2-Nitrobenzoic acid 3-Nitrobenzic acid 4-Nitrobenzic acid (邻 -硝 基 苯 甲 酸 ） NO2 NO2 NO2 o-Nitrobenzoic acid m-Nitrobenzoic acid p-Nitrobenzoic acid (间 -硝 基 苯 甲 酸 ） (对 -硝 基 苯 甲 酸 ）
The dimethylbenzene are called xylenes(二甲苯) CH CH CH CH CH3 CH 1, 2-Dimethylbenzene 1, 3-Dimethylbenzne 1, 4-Dimethylbenzene O-xylene m-Xylene p-xylene (邻-二甲苯) (间-二甲苯) 对-二甲苯)
The dimethylbenzenes are called xylenes (二甲苯） CH3 CH3 CH3 1,2-Dimethylbenzene 1,3-Dimethylbenzne 1,4-Dimethylbenzene (邻 -二 甲 苯 ） CH3 CH3 CH3 o-xylene m-xylene p-xylene (间 -二 甲 苯 ） (对 -二 甲 苯 ）
If more than two groups are present on the benzene ring, their positions must be indicated by the use of numbers Br CH3 Cl Br CH CH Cl Br 1, 2, 3-Trimethylbenzene 1, 2, 3-Trichlorobenzne 1, 2, 4-Tribromobenzene (not 1, 3, 4-tribromobenzene) (1,2,3-三甲苯)(1,2,3-三氯苯)(1,2,4-三溴苯)
If more than two groups are present on the benzene ring, their positions must be indicated by the use of numbers. CH3 Cl Br 1,2,3-Trimethylbenzene 1,2,3-Trichlorobenzne 1,2,4-Tribromobenzene (1,2,3-三 甲 苯 ） CH3 Cl Br (1,2,3-三 氯 苯 ） (1,2,4-三 溴 苯 ） CH3 Cl Br (not 1,3,4-tribromobenzene)
The new parent name is used SOrT COOH NO O2N 2 3.5-Dinitrobenzoic acid 2, 4-Difluorobenzenesulfonic acid (3,5-二硝基苯甲酸) (2,4-二氟苯磺酸)
The new parent name is used COOH SO3 H 3,5-Dinitrobenzoic acid 2,4-Difluorobenzenesulfonic acid (3,5-二 硝 基 苯 甲 酸 ） (2,4-二 氟 苯 磺 酸 ） NO2 O2 N F F
When the CHs group is named as a substituent, it is called a phenyl group(ph) CH,CH,CH,CH2 CH3C=CHCH, CH3 CHCH,CH2 CH2 CH2CH3 h Butylbenzene 2-Phenyl-2-butene 2-Phenylheptane 丁基苯 2-苯基-2-丁烯 2-苯基庚烷
When the C6H5 - group is named as a substituent, it is called a phenyl group (ph-). CH2CH2CH2CH3 CH3C=CHCH3 ph CH3CHCH2CH2CH2CH2CH3 ph Butylbenzene 2-Phenyl-2-butene 2-Phenylheptane 丁 基 苯 2-苯 基 -2-丁 烯 2-苯 基 庚 烷