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CAS号名称物化性质分子式分子量
24691-21-23,4-二氯-5-甲基-1H-吡咯-2-甲酸乙酯
Ethyl 3,4-dichloro-5-methyl-1H-pyrrole-2-carboxylate
C8H9Cl2NO2222.07
1935543-22-83,4-二氯-2-甲氧基苯甲酸甲酯
Methyl 3,4-dichloro-2-methoxybenzoate
C9H8Cl2O3235.06
934180-50-43,4-二氯-2-甲氧基吡啶
3,4-Dichloro-2-methoxypyridine
C6H5Cl2NO178.0160  
851179-03-83,4-二氯-2-氟吡啶
3,4-Dichloro-2-fluoropyridine
C5H2Cl2FN165.9805  
1807183-78-33,4-二氯-2,6-二氟苯胺
3,4-Dichloro-2,6-difluoroaniline
C6H3Cl2F2N198
58877-90-03,4-二氯-1-萘酚
3,4-Dichloronaphthalen-1-ol
C10H6Cl2O213.06
123994-49-03,4-二氢萘-1-基三氟甲磺酸酯
3,4-Dihydronaphthalen-1-yl trifluoromethanesulfonate
C11H9F3O3S278.25
97456-65-03,4-二氢苯并呋喃[2,3-c]吡啶
3,4-Dihydrobenzofuro[2,3-C]Pyridine
C11H9NO171.2
76228-07-43,4-二氢苯并[f]喹啉-1(2H)-酮
3,4-Dihydrobenzo[f]quinolin-1(2H)-one
C13H11NO197.23
933254-03-63,4-二氢2H-1,4-苯并噁嗪-3-乙酸
3,4-Dihydro-2H-1,4-benzoxazine-3-aceticacid
C10H11NO3  193.2g
7695-47-83,4-二氢-8-羟基萘-1(2H)-酮
3,4-Dihydro-8-hydroxynaphthalen-1(2H)-one
C10H10O2162.19
3722-72-33,4-二氢-8-甲基-2H-1-苯并吡喃
8-Methylchromane
C10H12O148.2017  
347-41-13,4-二氢-7-(三氟甲基)-2H-1,4-苯并噁嗪
3,4-Dihydro-7-(trifluoromethyl)-2H-1,4-benzoxazine
C9H8F3NO203.16
207596-59-63,4-二氢-2H-苯并[b][1,4]恶嗪-6-胺盐酸盐
3,4-Dihydro-2H-benzo[b][1,4]oxazin-6-amine hydrochloride
C8H11ClN2O186.64
104535-37-73,4-二氢-2H-苯并[b][1,4]噁嗪-7-醇
3,4-Dihydro-2h-benzo[b][1,4]oxazin-7-ol
C8H9NO2151.16
1799973-91-33,4-二氢-2H-苯并[b][1,4,5]氧硫氮杂卓 1,1-二氧化物
3,4-Dihydro-2H-benzo[b][1,4,5]oxathiazepine 1,1-dioxide
C8H9NO3S199.23
1356163-58-03,4-二氢-2H-吡喃并[2,3-c]吡啶-6-羧酸甲酯
Methyl 3,4-dihydro-2H-pyrano[2,3-c]pyridine-6-carboxylate
C10H11NO3193.2
113722-25-13,4-二氢-2H-1-苯并吡喃-8-胺
3,4-Dihydro-2H-1-benzopyran-8-amine
C9H11NO149.19
50386-54-43,4-二氢-2h-1-苯并吡喃-6-胺
3,4-Dihydro-2h-1-benzopyran-6-amine
C9H11NO149.19
82299-64-73,4-二氢-2h-1,4-苯并噻嗪-1,1-二酮
3,4-Dihydro-2h-1,4-benzothiazine-1,1-dione
C8H9NO2S183.23
704879-74-33,4-二氢-2h-1,4-苯并噁嗪-8-胺
3,4-Dihydro-2h-1,4-benzoxazin-8-amine
C8H10N2O150.18
1261578-13-53,4-二氢-1H-2-苯并吡喃-3-羧酸
Isochroman-3-carboxylic acid
C10H10O3178.1846  
736154-60-23,4-二氟-N-(吡啶-4-基甲基)苯磺酰胺
3,4-Difluoro-N-(pyridin-4-ylmethyl)benzenesulfonamide
847943-86-63,4-二氟-5-羟基苯甲酸乙酯
Ethyl 3,4-difluoro-5-hydroxybenzoate
C9H8F2O3202.15
749230-45-33,4-二氟-5-羟基苯甲酸
3,4-Difluoro-5-hydroxybenzoic acid
C7H4F2O3174.1
1394964-35-23,4-二氟-5-硝基苯酚
3,4-Difluoro-5-nitrophenol
C6H3F2NO3175.09
1195190-12-53,4-二氟-5-甲氧基苯胺
3,4-Difluoro-5-methoxyaniline
C7H7F2NO159.13
1262552-14-63,4-二氟-5-甲氧基苯甲腈
3,4-Difluoro-5-methoxybenzonitrile
C8H5F2NO169.13
1505944-46-63,4-二氟-5-甲基苯胺
3,4-Difluoro-5-methylaniline
C7H7F2N143.1340  
1803833-51-33,4-二氟-5-甲基苯甲腈
3,4-Difluoro-5-methylbenzonitrile
C8H5F2N153.13
2776965-60-53,4-二氟-2-碘-6-甲基苯甲酸甲酯
Methyl 3,4-difluoro-2-iodo-6-methylbenzoate
C9H7F2IO2312.05
74169-58-73,4-Dimethyl-1-(pyridin-2-yl)pyrano[2,3-c]pyrazol-6(1H)-one
C13H11N3O2241.24534
74169-53-23,4-Dimethyl-1-(p-tolyl)pyrano[2,3-c]pyrazol-6(1H)-one
C15H14N2O2254.28386
74169-56-53,4-Dimethyl-1-(4-nitrophenyl)pyrano[2,3-c]pyrazol-6(1H)-one
密度:1.46±0.1 g/cm3
沸点:506.3±50.0℃ at 760 mmHg
C14H11N3O4285.25484
1016730-81-63,4-dihydro-2H-chromen-4-ylhydrazine
C9H12N2O164.2
1214336-71-63,4-DI(PYRIDIN-4-YL)PYRIDINE
C15H11N3233.26794
440112-23-23,4-DI(PYRIDIN-3-YL)PYRIDINE
C15H11N3233.26794
21605-95-83,4-DI(PYRIDIN-2-YL)PYRIDINE
C15H11N3233.26794
87314-48-53,4,6-三氯苯-1,2-硫醇 
3,4,6-trichlorobenzene-1,2-dithiol
C6H3Cl3S2245.57702
499235-55-13,4,6-三氯-5-甲基哒嗪
3,4,6-Trichloro-5-Methylpyridazine
C5H3Cl3N2197.45
1936344-23-83,4,6-三氯-1H-吡唑并[3,4-d]嘧啶
3,4,6-Trichloro-1H-pyrazolo[3,4-d]pyrimidine
C5HCl3N4223.4472  
4435-05-63,4,6-三-O-乙酰基-1,2-O-(1-甲氧基亚乙基)-β-D-吡喃甘露糖
3,4,6-Tri-O-acetyl-beta-D-mannopyranose 1,2-(methyl orthoacetate)
熔点:107-109 °C
C14H20O10348.302
315208-18-53,4,6-tri-O-acetyl-2-deoxy-2-dimethylmaleoyl-β-D-glucopyranoside
密度:1.39±0.1 g/cm3(Predicted)
沸点:539.7±50.0 °C(Predicted)
C18H23NO10413.381
1083181-39-83,4,5-三碘苯甲醛
3,4,5-Triiodobenzaldehyde
C7H3I3O483.8100  
618-74-63,4,5-三溴苯甲酸
3,4,5-Tribromobenzoic acid
C7H3Br3O2358.81
53317-05-83,4,5-三溴-2-噻吩甲酸
3,4,5-tribromo-2-thenoic acid
密度:2.606 g/cm3
熔点:259 °C
沸点:396.3 °C at 760 mmHg
C5HBr3O2S364.8372
50915-97-43,4,5-三乙氧基苯甲酰氯
3,4,5-Triethoxybenzoyl chloride
C13H17ClO4272.72
353287-46-43,4,5-Trimethyl-1-phenylpyrano[2,3-c]pyrazol-6(1H)-one
C15H14N2O2254.28386
1469707-47-83,4,5,6-四(3,6-二苯基-9-咔唑基)-对苯二腈
3,4,5,6-Tetrakis(3,6-diphenyl-9H-carbazol-9-yl)phthalonitrile
C104H64N61397.66
3201-20-53,4,4-三甲基-1H-吡唑-5(4H)-酮
3,4,4-Trimethyl-1H-pyrazol-5(4H)-one
C6H10N2O126.16
11603页,第11126
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