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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,4-dimethyl-2-ethoxy-5-(2',2'-diethoxyethyl)-2,3-dihydro-1-benzooxepin 77961-13-8 C20H30O4
    2,4-dimethyl-2-ethoxy-5-(2',2'-diethoxyethyl)-2,3-dihydro-1-benzooxepin
    —— 2-fluoro-2,3-dimethyl-3-[2-[4-[(E)-2-naphthalen-1-ylethenyl]phenyl]cyclopropyl]oxirane 1539386-92-9 C25H23FO
    2-fluoro-2,3-dimethyl-3-[2-[4-[(E)-2-naphthalen-1-ylethenyl]phenyl]cyclopropyl]oxirane
    —— 2-(Diethoxy-phosphoryloxy)-2-methyl-3-oxo-hexanoic acid methyl ester 27819-41-6 C12H23O7P
    2-(Diethoxy-phosphoryloxy)-2-methyl-3-oxo-hexanoic acid methyl ester
    —— 2-(5-Formyl-6H-[1,3]thiazin-2-yl)-2-methyl-propionic acid methyl ester 113479-21-3 C10H13NO3S
    2-(5-Formyl-6H-[1,3]thiazin-2-yl)-2-methyl-propionic acid methyl ester
    —— 2-chloroacetaldehyde 2-(2,4-dinitrophenyl)-2-methylhydrazone 136138-64-2 C9H9ClN4O4
    2-chloroacetaldehyde 2-(2,4-dinitrophenyl)-2-methylhydrazone
    —— 2-{[(dihydroxyboranoamino)(dihydroxyboranooxy)methyl]amino}ethylboronic acid 1174634-95-7 C3H13B3N2O7
    2-{[(dihydroxyboranoamino)(dihydroxyboranooxy)methyl]amino}ethylboronic acid
    —— 2,2-Dimethyl-1-ethoxycarbonyl-1-carbamoyl-cyclopropan 36231-78-4 C9H15NO3
    2,2-Dimethyl-1-ethoxycarbonyl-1-carbamoyl-cyclopropan
    —— (2,5-dimethyl-1-benzofuran-3-yl)(2-hydroxy-5-iodophenyl)methanone 1416255-79-2 C17H13IO3
    (2,5-dimethyl-1-benzofuran-3-yl)(2-hydroxy-5-iodophenyl)methanone
    —— 2-(1-adamantyl)-2-(3-nitrophenyl)-1,3-dithiane 1359877-50-1 C20H25NO2S2
    2-(1-adamantyl)-2-(3-nitrophenyl)-1,3-dithiane
    —— 2-Buten-1-one, 1-[1,1'-biphenyl]-4-yl-4,4,4-trichloro-, (2E)- 926890-63-3 C16H11Cl3O
    2-Buten-1-one, 1-[1,1'-biphenyl]-4-yl-4,4,4-trichloro-, (2E)-
    —— 2-(4-Methoxyphenyl)-[1,3]thiazolo[4,5-c]pyridine 1228149-76-5 C13H10N2OS
    2-(4-Methoxyphenyl)-[1,3]thiazolo[4,5-c]pyridine
    —— 2-hydroxyimino-3-oxo-3-phenyl-dithiopropionic acid 2-methyl-allyl ester 1609182-79-7 C13H13NO2S2
    2-hydroxyimino-3-oxo-3-phenyl-dithiopropionic acid 2-methyl-allyl ester
    —— (2aR,8S,8aS)-1-allyl-8-hydroxy-6-methoxy-8,8a-dihydro-1H-chromeno[3,2-b]azet-2(2aH)-one 1245314-18-4 C14H15NO4
    (2aR,8S,8aS)-1-allyl-8-hydroxy-6-methoxy-8,8a-dihydro-1H-chromeno[3,2-b]azet-2(2aH)-one
    —— (2,5-Dichloro-4-hydroxy-phenylsulfanyl)-acetic acid isopropyl ester 30512-62-0 C11H12Cl2O3S
    (2,5-Dichloro-4-hydroxy-phenylsulfanyl)-acetic acid isopropyl ester
    —— 2-(2'-bromoallyl)-methylenecyclohexane 99029-91-1 C10H15Br
    2-(2'-bromoallyl)-methylenecyclohexane
    —— 2-chloro-N-[3-(benzylaminyl-1-sulfonyl)phenyl]acetamide 1019851-50-3 C15H15ClN2O3S
    2-chloro-N-[3-(benzylaminyl-1-sulfonyl)phenyl]acetamide
    —— 2-Phenyl-5-(N-phenyl-thiocarbamoyl)-imino-1,2,3-Δ<sup>3</sup>-thiadiazolin-4-carbonsaeureethylester 111122-03-3 C18H16N4O2S2
    2-Phenyl-5-(N-phenyl-thiocarbamoyl)-imino-1,2,3-Δ<sup>3</sup>-thiadiazolin-4-carbonsaeureethylester
    —— 2-Cyan-octin-6-saeure-1-ethylester 91247-15-3 C11H15NO2
    2-Cyan-octin-6-saeure-1-ethylester
    —— 2,4-Decadienoic acid, 1,1a,1b,4,4a,5,7a,7b,8,9-decahydro-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5-oxo-9aH-cyclopropa(3,4)benz(1,2-e)azulene-9,9a-diyl ester, (1aR-(1aalpha,1bbeta,4abeta,7aalpha,7balpha,8alpha,9beta,9aalpha))- 83920-69-8 C40H56O8
    2,4-Decadienoic acid, 1,1a,1b,4,4a,5,7a,7b,8,9-decahydro-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5-oxo-9aH-cyclopropa(3,4)benz(1,2-e)azulene-9,9a-diyl ester, (1aR-(1aalpha,1bbeta,4abeta,7aalpha,7balpha,8alpha,9beta,9aalpha))-
    —— 2-Brom-3-(1-phenylpyrazol-4-yl)-acrylsaeure-ethylester 51294-68-9 C14H13BrN2O2
    2-Brom-3-(1-phenylpyrazol-4-yl)-acrylsaeure-ethylester
    —— (2E,4E)-5-[2-(4-isopropylphenyl)-2H-tetrazol-5-yl]penta-2,4-dienoic acid 802910-84-5 C15H16N4O2
    (2E,4E)-5-[2-(4-isopropylphenyl)-2H-tetrazol-5-yl]penta-2,4-dienoic acid
    —— (21-acetoxy-17-hydroxy-11,20-dioxo-pregn-4-en-3-ylidene)-carbazic acid ethyl ester 123754-53-0 C26H36N2O7
    (21-acetoxy-17-hydroxy-11,20-dioxo-pregn-4-en-3-ylidene)-carbazic acid ethyl ester
    —— 2-Aethyl-3-methyl-5-propyl-tetrahydro-furan 3207-83-8 C10H20O
    2-Aethyl-3-methyl-5-propyl-tetrahydro-furan
    —— 2,2-Dimethyl-1,3-dioxa-spiro[4.6]undecane-7,10-diol 179169-68-7 C11H20O4
    2,2-Dimethyl-1,3-dioxa-spiro[4.6]undecane-7,10-diol
    —— 2-(N-benzoylformyl-N-benzylamino)-2-(4-chlorophenyl)-N-cyclohexylacetamide 1015244-82-2 C29H29ClN2O3
    2-(N-benzoylformyl-N-benzylamino)-2-(4-chlorophenyl)-N-cyclohexylacetamide
    —— 2-Ethyl-heptanoic acid 2-(2,4-dimethyl-phenyl)-3-oxo-cyclohex-1-enyl ester 68428-35-3 C23H32O3
    2-Ethyl-heptanoic acid 2-(2,4-dimethyl-phenyl)-3-oxo-cyclohex-1-enyl ester
    —— 2-methylsulfanyl-3-nitro-butane 874506-27-1 C5H11NO2S
    2-methylsulfanyl-3-nitro-butane
    —— 2-fluoro-5-iodothiophene 29669-47-4 C4H2FIS
    2-fluoro-5-iodothiophene
    —— (2R,3R)-3-Amino-2-mercapto-4-phenyl-butyric acid methyl ester; hydrochloride 114886-61-2 C11H15NO2S*ClH
    (2R,3R)-3-Amino-2-mercapto-4-phenyl-butyric acid methyl ester; hydrochloride
    —— 2,6-difluoro-N-(2-(piperidin-4-yl)-3H-imidazo[4,5-b]pyridin-6-yl)-3-(propylsulfonamido)benzamide 1186223-15-3 C21H24F2N6O3S
    2,6-difluoro-N-(2-(piperidin-4-yl)-3H-imidazo[4,5-b]pyridin-6-yl)-3-(propylsulfonamido)benzamide
    —— 2-chloro-5,7-di-n-propyl-s-triazolo<1,5a>pyrimidine 87253-85-8 C11H15ClN4
    2-chloro-5,7-di-n-propyl-s-triazolo<1,5a>pyrimidine
    —— 2-benzo[1,3]dioxol-5-yl-6-(4-fluoro-piperidin-1-ylmethyl)thieno[2,3-d]pyrimidin-4-ylamine 1221434-34-9 C19H19FN4O2S
    2-benzo[1,3]dioxol-5-yl-6-(4-fluoro-piperidin-1-ylmethyl)thieno[2,3-d]pyrimidin-4-ylamine
    —— 2,4,6-(CH3O)3-3-CF3-C5FN 52545-62-7 C9H9F4NO3
    2,4,6-(CH3O)3-3-CF3-C5FN
    —— 2-(4'-chloro-5'-nitro-6',8'-dimethylquinolin-2'-yl)-5,7-di(tert-butyl)-1,3-tropolone 684282-71-1 C26H29ClN2O4
    2-(4'-chloro-5'-nitro-6',8'-dimethylquinolin-2'-yl)-5,7-di(tert-butyl)-1,3-tropolone
    —— 2-amino-N-(2,4-difluorophenyl)-5-(5-(2-methyl-1-oxoisoindolin-5-yl)thiophen-2-yl)pyridine-3-sulphonamide 1567836-98-9 C24H18F2N4O3S2
    2-amino-N-(2,4-difluorophenyl)-5-(5-(2-methyl-1-oxoisoindolin-5-yl)thiophen-2-yl)pyridine-3-sulphonamide
    —— 2,2,6,6-tetramethylheptane compound with diphenylmethane (1:1) 125077-99-8 2C9H20P2*4C12H10P*8Cu
    2,2,6,6-tetramethylheptane compound with diphenylmethane (1:1)
    —— 2-Methylseleno-6-methyl-benzophenon 24852-93-5 C15H14OSe
    2-Methylseleno-6-methyl-benzophenon
    —— 2-(4-dimethylamino-styryl)-1-methyl-naphtho[1,2-<i>d</i>]oxazolium; iodide 24216-50-0 C22H21N2O*I
    2-(4-dimethylamino-styryl)-1-methyl-naphtho[1,2-<i>d</i>]oxazolium; iodide
    —— 2-[4-(2-Methanesulfonyloxy-ethyl)-7-nitro-3,4-dihydro-2H-quinoxalin-1-yl]-benzoic acid methyl ester 107210-33-3 C19H21N3O7S
    2-[4-(2-Methanesulfonyloxy-ethyl)-7-nitro-3,4-dihydro-2H-quinoxalin-1-yl]-benzoic acid methyl ester
    —— 2-(5-Benzyloxy-2-hydroxy-pentyl)-pyrrolidine-1-carboxylic acid tert-butyl ester 180406-96-6 C21H33NO4
    2-(5-Benzyloxy-2-hydroxy-pentyl)-pyrrolidine-1-carboxylic acid tert-butyl ester
    —— 2,5,5-trimethyl-2-<2'-<4''-(1(S)-carboxy-2-2H3-ethyl)-1''(R)-methyl-3''-<(trimethylsilyl)methylene>cyclohex-2''-yl>ethyl>-1,3-dioxane 176652-10-1 C23H42O4Si
    2,5,5-trimethyl-2-<2'-<4''-(1(S)-carboxy-2-2H3-ethyl)-1''(R)-methyl-3''-<(trimethylsilyl)methylene>cyclohex-2''-yl>ethyl>-1,3-dioxane
    —— (2E,4E)-1-bromo-7-methylocta-2,4-diene 1429425-37-5 C9H15Br
    (2E,4E)-1-bromo-7-methylocta-2,4-diene
    —— 2-iodo-4-mercaptobenzonitrile 1374518-03-2 C7H4INS
    2-iodo-4-mercaptobenzonitrile
    —— 2-Oxodecan-4-yl acetate 1182266-33-6 C12H22O3
    2-Oxodecan-4-yl acetate
    —— 2-[(2R,3R,4R,5R)-4-acetyloxy-3-benzoyloxy-5-(2,4-dioxopyrimidin-1-yl)oxolan-2-yl]ethylphosphonic acid 113808-31-4 C19H21N2O10P
    2-[(2R,3R,4R,5R)-4-acetyloxy-3-benzoyloxy-5-(2,4-dioxopyrimidin-1-yl)oxolan-2-yl]ethylphosphonic acid
    —— (2E,4E,6E)-hex-1-en-2-yl nona-2,4,6-trienoate 1614231-05-8 C15H22O2
    (2E,4E,6E)-hex-1-en-2-yl nona-2,4,6-trienoate
    —— (2R,3S)-3-Phenyl-1-oxa-4-aza-spiro[4.5]decane-2,4-dicarboxylic acid 2-((4S,4aR,7aS,8S)-8-hydroxy-6,6,8-trimethyl-3-oxo-1,3,4,4a,5,6,7,7a,8,9-decahydro-2-oxa-cyclopenta[f]azulen-4-yl) ester 4-(2,2,2-trichloro-ethyl) ester 679000-82-9 C33H40Cl3NO8
    (2R,3S)-3-Phenyl-1-oxa-4-aza-spiro[4.5]decane-2,4-dicarboxylic acid 2-((4S,4aR,7aS,8S)-8-hydroxy-6,6,8-trimethyl-3-oxo-1,3,4,4a,5,6,7,7a,8,9-decahydro-2-oxa-cyclopenta[f]azulen-4-yl) ester 4-(2,2,2-trichloro-ethyl) ester
    —— (2-Pentyl-1-phenylcycloprop-2-en-1-yl)methyl acetate 1162671-79-5 C17H22O2
    (2-Pentyl-1-phenylcycloprop-2-en-1-yl)methyl acetate
    —— 2,6-difluoro-N-[3-(4,5,6,7-tetrahydro-1H-imidazol[4,5-c]pyridin-2-yl)-1H-pyrazol-4-yl]-benzamide 872611-22-8 C16H14F2N6O
    2,6-difluoro-N-[3-(4,5,6,7-tetrahydro-1H-imidazol[4,5-c]pyridin-2-yl)-1H-pyrazol-4-yl]-benzamide
    —— (+)-(2R,3R)-2-[(R)-{[tert-butyl(dimethyl)silyl]oxy}(cyano)methyl]-1-(4-methoxyphenyl)-4-oxoazetidin-3-yl 4-methoxybenzoate 1013630-81-3 C26H32N2O6Si
    (+)-(2R,3R)-2-[(R)-{[tert-butyl(dimethyl)silyl]oxy}(cyano)methyl]-1-(4-methoxyphenyl)-4-oxoazetidin-3-yl 4-methoxybenzoate