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    中文名称 英文名称 CAS号 化学式 结构式图片
    4,5-二氢-1,3-二甲基-4-(2-丙炔基)-1H-吡唑并[3,4-b][1,4]苯并氧氮杂卓 1,3-dimethyl-4-prop-2-ynyl-4,5-dihydro-1<i>H</i>-benzo[<i>f</i>]pyrazolo[3,4-<i>b</i>][1,4]oxazepine 22086-98-2 C15H15N3O
    4,5-二氢-1,3-二甲基-4-(2-丙炔基)-1H-吡唑并[3,4-b][1,4]苯并氧氮杂卓
    4,5-二氢-1,2-恶唑 4,5-dihydro-isoxazole 504-73-4 C3H5NO
    4,5-二氢-1,2-恶唑
    4,5-二氢-1,2-二甲氧基-6H-二苯并(去,G)喹啉-6-甲醛 N-Demethyl-N-formyldehydronuciferine 111017-06-2 C19H17NO3
    4,5-二氢-1,2-二甲氧基-6H-二苯并(去,G)喹啉-6-甲醛
    4,5-二氢-1,2,4-三唑-3-硫酮 1,2,4-Triazol-3-thiol 22524-99-8 C2H3N3S
    4,5-二氢-1,2,4-三唑-3-硫酮
    4,5-二氢-1,2,3-恶二唑 4,5-Dihydro-1,2,3-oxadiazole 13589-37-2 C2H4N2O
    4,5-二氢-1,2,3-恶二唑
    4,5-二氟酞腈 4,5-difluorophthalonitrile 134450-56-9 C8H2F2N2
    4,5-二氟酞腈
    4,5-二氟邻苯二甲酸酐 4,5-difluorophthalic anhydride 18959-30-3 C8H2F2O3
    4,5-二氟邻苯二甲酸酐
    4,5-二氟邻苯二甲酸 4,5-difluorophthalic acid 18959-31-4 C8H4F2O4
    4,5-二氟邻苯二甲酸
    4,5-二氟苯并[a]芘 4,5-Difluorobenzo[a]pyrene 137197-08-1 C20H10F2
    4,5-二氟苯并[a]芘
    4,5-二氟苯并(a)芘 beta-Cyclodextrin, indomethacin drug combination 71267-09-9 C103H156ClNO74
    4,5-二氟苯并(a)芘
    4,5-二氟苯并(a)芘 2-[1-(4-chlorobenzoyl)-5-methoxy-2-methylindol-3-yl]acetic acid;(1S,3R,5R,6S,8R,10R,11S,13R,15R,16S,18R,20R,21S,23R,25R,26S,28R,30R,31S,33R,35R,36R,37R,38R,39R,40R,41R,42R,43R,44R,45R,46R,47R,48R,49R)-5,10,15,20,25,30,35-heptakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34-tetradecaoxaoctacyclo[31.2.2.23,6.28,11.213,16.218,21.223,26.228,31]nonatetracontane-36,37,38,39,40,41,42,43,44,45,46,47,48,49-tetradecol 71299-82-6 C61H86ClNO39
    4,5-二氟苯并(a)芘
    4,5-二氟苯-1,2-二胺 2-amino-4,5-difluoroaniline 76179-40-3 C6H6F2N2
    4,5-二氟苯-1,2-二胺
    4,5-二氟吲哚酮 4,5-difluoro-2-oxindole 850429-64-0 C8H5F2NO
    4,5-二氟吲哚酮
    4,5-二氟吲哚 4,5-difluoro-1H-indole 247564-63-2 C8H5F2N
    4,5-二氟吲哚
    4,5-二氟吡啶-2-胺 4,5-difluoropyridin-2-amine 1211537-08-4 C5H4F2N2
    4,5-二氟吡啶-2-胺
    4,5-二氟-N-甲基-1,3-苯并噻唑-2-胺 (4,5-Difluoro-benzothiazol-2-yl)-methyl-amine 189949-37-9 C8H6F2N2S
    4,5-二氟-N-甲基-1,3-苯并噻唑-2-胺
    4,5-二氟-9,10-二氢菲 4,5-difluoro-9,10-dihydrophenanthrene 108665-36-7 C14H10F2
    4,5-二氟-9,10-二氢菲
    4,5-二氟-3-硝基-1H-吡咯并[2,3-B]吡啶 4,5-difluoro-3-nitro-1H-pyrrolo[2,3-b]pyridine 1196507-67-1 C7H3F2N3O2
    4,5-二氟-3-硝基-1H-吡咯并[2,3-B]吡啶
    4,5-二氟-3-甲氧基苄基 乙酸 2-(3,4-difluoro-5-methoxyphenyl)acetic acid 887585-35-5 C9H8F2O3
    4,5-二氟-3-甲氧基苄基 乙酸
    4,5-二氟-2-羟基苯甲酸 4,5-difluoro-2-hydroxybenzoic acid 205533-31-9 C7H4F2O3
    4,5-二氟-2-羟基苯甲酸
    4,5-二氟-2-羟基苯甲腈 4,5-difluoro-2-hydroxybenzonitrile 186590-36-3 C7H3F2NO
    4,5-二氟-2-羟基苯甲腈
    4,5-二氟-2-碘苯酚 4,5-difluoro-2-iodophenol 186590-30-7 C6H3F2IO
    4,5-二氟-2-碘苯酚
    4,5-二氟-2-碘苯甲酸 4,5-difluoro-2-iodobenzoic acid 130137-05-2 C7H3F2IO2
    4,5-二氟-2-碘苯甲酸
    4,5-二氟-2-硝基苯胺 4,5-difluoro-2-nitroaniline 78056-39-0 C6H4F2N2O2
    4,5-二氟-2-硝基苯胺
    4,5-二氟-2-硝基苯硼酸 4,5-difluoro-2-nitrophenylboronic acid 1150114-59-2 C6H4BF2NO4
    4,5-二氟-2-硝基苯硼酸
    4,5-二氟-2-硝基苯甲酸乙酯 4,5-difluoro-2-nitrobenzoic acid ethyl ester 1214387-06-0 C9H7F2NO4
    4,5-二氟-2-硝基苯甲酸乙酯
    4,5-二氟-2-硝基苯甲酸 4,5-difluoro-2-nitrobenzoic acid 20372-63-8 C7H3F2NO4
    4,5-二氟-2-硝基苯甲酸
    4,5-二氟-2-硝基苯甲腈 4,5-difluoro-2-nitro-benzonitrile 165671-05-6 C7H2F2N2O2
    4,5-二氟-2-硝基苯甲腈
    4,5-二氟-2-硝基乙酰苯胺 N-(3,4-difluoro-2-nitrophenyl)acetamide 1662-21-1 C8H6F2N2O3
    4,5-二氟-2-硝基乙酰苯胺
    4,5-二氟-2-硝基-苯基乙酰胺 4,5-difluoro-2-nitro-phenylacetamide 329939-78-8 C7H4F2N2O3
    4,5-二氟-2-硝基-苯基乙酰胺
    4,5-二氟-2-甲氧基苯酚 4,5-difluoro-2-methoxyphenol 246029-17-4 C7H6F2O2
    4,5-二氟-2-甲氧基苯酚
    4,5-二氟-2-甲氧基苯胺 4,5-difluoro-2-methoxyaniline 1017779-71-3 C7H7F2NO
    4,5-二氟-2-甲氧基苯胺
    4,5-二氟-2-甲氧基苯甲醛 4,5-difluoro-2-methoxybenzaldehyde 145742-34-3 C8H6F2O2
    4,5-二氟-2-甲氧基苯甲醛
    4,5-二氟-2-甲氧基苯甲酸 4,5-difluoro-2-methoxybenzoic acid 425702-18-7 C8H6F2O3
    4,5-二氟-2-甲氧基苯甲酸
    4,5-二氟-2-甲氧基苯甲腈 4,5-difluoro-2-methoxybenzonitrile 425702-28-9 C8H5F2NO
    4,5-二氟-2-甲氧基苯甲腈
    4,5-二氟-2-甲氧基苯基硼酸 4,5-difluoro-2-methoxyphenylboronic acid 870777-32-5 C7H7BF2O3
    4,5-二氟-2-甲氧基苯基硼酸
    4,5-二氟-2-甲氧基苄胺 (4,5-difluoro-2-methoxyphenyl)methanamine 886497-93-4 C8H9F2NO
    4,5-二氟-2-甲氧基苄胺
    4,5-二氟-2-甲氧基苄溴 4,5-difluoro-2-methoxybenzyl bromide 886499-64-5 C8H7BrF2O
    4,5-二氟-2-甲氧基苄溴
    4,5-二氟-2-甲基苯酚 4,5-difluoro-2-methylphenol 704884-76-4 C7H6F2O
    4,5-二氟-2-甲基苯酚
    4,5-二氟-2-甲基苯胺 4,5-difluoro-2-methylaniline 875664-57-6 C7H7F2N
    4,5-二氟-2-甲基苯胺
    4,5-二氟-2-甲基苯甲腈 4,5-difluoro-2-methylbenzonitrile 1003708-82-4 C8H5F2N
    4,5-二氟-2-甲基苯甲腈
    4,5-二氟-2-甲基吲哚-3-甲酸乙酯 Ethyl 4,5-difluoro-2-methyl-1h-indole-3-carboxylate 886362-67-0 C12H11F2NO2
    4,5-二氟-2-甲基吲哚-3-甲酸乙酯
    4,5-二氟-2-溴苯腈 2-bromo-4,5-difluorobenzonitrile 64695-82-5 C7H2BrF2N
    4,5-二氟-2-溴苯腈
    4,5-二氟-2-异丙氧基苯基硼酸 4,5-Difluoro-2-isopropoxyphenylboronic acid 1072951-61-1 C9H11BF2O3
    4,5-二氟-2-异丙氧基苯基硼酸
    4,5-二氟-2-乙氧苯基硼酸 4,5-Difluoro-2-ethoxyphenylboronic acid 870778-87-3 C8H9BF2O3
    4,5-二氟-2-乙氧苯基硼酸
    4,5-二氟-2-[2-(三甲基甲硅烷基)乙炔基]苯胺 4,5-difluoro-2-((trimethylsilyl)ethynyl) aniline 1034269-64-1 C11H13F2NSi
    4,5-二氟-2-[2-(三甲基甲硅烷基)乙炔基]苯胺
    4,5-二氟-2-[(2-氟-4-碘苯基)氨基]苯甲酸 4,5-difluoro-2-[(2-fluoro-4-iodophenyl)amino]benzoic acid 391212-00-3 C13H7F3INO2
    4,5-二氟-2-[(2-氟-4-碘苯基)氨基]苯甲酸
    4,5-二氟-2-(甲氧基羰基)苯基硼酸频哪醇酯 methyl 4,5-difluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate 1333122-75-0 C14H17BF2O4
    4,5-二氟-2-(甲氧基羰基)苯基硼酸频哪醇酯
    4,5-二氟-2-(三甲基甲硅基)苯基三氟甲磺酸酯 4,5-di-fluoro-2-(trimethylsilyl)phenyl trifluoromethanesulfonate 217813-00-8 C10H11F5O3SSi
    4,5-二氟-2-(三甲基甲硅基)苯基三氟甲磺酸酯
    4,5-二氟-2-(三氟甲基)苯甲酰胺 4,5-Difluoro-2-(trifluoromethyl)benzamide 261944-97-2 C8H4F5NO
    4,5-二氟-2-(三氟甲基)苯甲酰胺