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    —— 2-{[5-amino-1-(<i>O</i><sup>2</sup>,<i>O</i><sup>3</sup>-isopropylidene-β-<i>D</i>-ribofuranosyl)-1<i>H</i>-imidazole-4-carbonyl]-amino}-3-methyl-succinic acid diethyl ester 72164-48-8 C21H32N4O9
    2-{[5-amino-1-(<i>O</i><sup>2</sup>,<i>O</i><sup>3</sup>-isopropylidene-β-<i>D</i>-ribofuranosyl)-1<i>H</i>-imidazole-4-carbonyl]-amino}-3-methyl-succinic acid diethyl ester
    —— 2,2'-[3,6-bis-(4-bromo-benzoyl)-[1,2,4,5]tetrazine-1,4-diyl]-bis-benzoic acid 73218-96-9 C30H18Br2N4O6
    2,2'-[3,6-bis-(4-bromo-benzoyl)-[1,2,4,5]tetrazine-1,4-diyl]-bis-benzoic acid
    —— 2-{[1-(<i>O</i><sup>5</sup>-acetyl-<i>O</i><sup>2</sup>,<i>O</i><sup>3</sup>-isopropylidene-β-<i>D</i>-ribofuranosyl)-5-amino-1<i>H</i>-imidazole-4-carbonyl]-amino}-3-methyl-succinic acid diethyl ester 72176-08-0 C23H34N4O10
    2-{[1-(<i>O</i><sup>5</sup>-acetyl-<i>O</i><sup>2</sup>,<i>O</i><sup>3</sup>-isopropylidene-β-<i>D</i>-ribofuranosyl)-5-amino-1<i>H</i>-imidazole-4-carbonyl]-amino}-3-methyl-succinic acid diethyl ester
    —— 2-(2-{[1-(4-Chloro-phenyl)-meth-(E)-ylidene]-amino}-phenyl)-N-phenyl-isobutyramide 71871-82-4 C23H21ClN2O
    2-(2-{[1-(4-Chloro-phenyl)-meth-(E)-ylidene]-amino}-phenyl)-N-phenyl-isobutyramide
    —— 2-[2-(4-Chloro-phenoxy)-4-nitro-phenoxy]-propionic acid methyl ester 70007-12-4 C16H14ClNO6
    2-[2-(4-Chloro-phenoxy)-4-nitro-phenoxy]-propionic acid methyl ester
    —— 2-(5-(1-(4-aminobutyl)-2-phenyl-1H-indol-6-carbonyl)-2-(4-ethylphenyl)thiophen-3-yl)-N-hydroxyacetamide TFA salt 1021172-09-7 C2HF3O2*C33H33N3O3S
    2-(5-(1-(4-aminobutyl)-2-phenyl-1H-indol-6-carbonyl)-2-(4-ethylphenyl)thiophen-3-yl)-N-hydroxyacetamide TFA salt
    —— 2-(2-chlorophenyl)-1-(4-fluorophenyl)-N'-[4-(trifluoromethyl)phenyl]-1H-imidazole-4-carbohydrazide hydrochloride 527366-50-3 C23H15ClF4N4O*ClH
    2-(2-chlorophenyl)-1-(4-fluorophenyl)-N'-[4-(trifluoromethyl)phenyl]-1H-imidazole-4-carbohydrazide hydrochloride
    —— (2R,3R,4S)-2-Benzyl-4-benzyloxy-3-(tert-butyl-dimethyl-silanyloxy)-pentanoic acid (S)-2-benzyloxycarbonyl-2-tert-butoxycarbonylamino-ethyl ester 215797-99-2 C40H55NO8Si
    (2R,3R,4S)-2-Benzyl-4-benzyloxy-3-(tert-butyl-dimethyl-silanyloxy)-pentanoic acid (S)-2-benzyloxycarbonyl-2-tert-butoxycarbonylamino-ethyl ester
    —— 2-<2(S*)-(3,4-Dimethoxyphenyl)-2-hydroxyethyl>piperidine 90243-11-1 C15H23NO3
    2-<2(S*)-(3,4-Dimethoxyphenyl)-2-hydroxyethyl>piperidine
    —— 2-methyl-3-(2-methylphenyl)-7-[4-bromophenylsulfonyl]-amino-4(3H)-quinazolinone 1364664-33-4 C22H18BrN3O3S
    2-methyl-3-(2-methylphenyl)-7-[4-bromophenylsulfonyl]-amino-4(3H)-quinazolinone
    —— 2-phenyl-6-pyrazol-1-ylmethylquinoline-4-carboxylic acid ethyl ester 850010-76-3 C22H19N3O2
    2-phenyl-6-pyrazol-1-ylmethylquinoline-4-carboxylic acid ethyl ester
    —— 2-(2,4-dimethyl-6-phenyl-2<i>H</i>-pyridazin-3-ylidene)-3-oxo-butyric acid ethyl ester 74333-92-9 C18H20N2O3
    2-(2,4-dimethyl-6-phenyl-2<i>H</i>-pyridazin-3-ylidene)-3-oxo-butyric acid ethyl ester
    —— 2-(2-<3-Cyclohexen-1-yl>-aethyl)-1,2-oxaluminolan 62799-50-2 C11H19AlO
    2-(2-<3-Cyclohexen-1-yl>-aethyl)-1,2-oxaluminolan
    —— 2-<2>Pyridylacetyl-1-<3>pyridylmethyl-hydrazin 92023-82-0 C13H14N4O
    2-<2>Pyridylacetyl-1-<3>pyridylmethyl-hydrazin
    —— 2-Aethyl-3-cyclopentyl-chinazolon-(4) 94028-80-5 C15H18N2O
    2-Aethyl-3-cyclopentyl-chinazolon-(4)
    —— 2-(4-fluoro-3-methyl-phenyl)-3-nitroso-indolizine 2378-29-2 C15H11FN2O
    2-(4-fluoro-3-methyl-phenyl)-3-nitroso-indolizine
    —— (2S,3S,4R,5R)-2-(3-Cyclopropyl-[1,2,4]oxadiazol-5-yl)-5-[6-(1-ethyl-propylamino)-2-(2-(1-methyl-1H-imidazol-4-yl)-ethylamino)-purin-9-yl]-tetrahydrofuran-3,4-diol 235415-51-7 C25H34N10O4
    (2S,3S,4R,5R)-2-(3-Cyclopropyl-[1,2,4]oxadiazol-5-yl)-5-[6-(1-ethyl-propylamino)-2-(2-(1-methyl-1H-imidazol-4-yl)-ethylamino)-purin-9-yl]-tetrahydrofuran-3,4-diol
    —— 2-{[6-(3-chlorophenyl)-1H-indazol-3-yl]amino}-2-oxo-1-phenylethyl acetate 627849-70-1 C23H18ClN3O3
    2-{[6-(3-chlorophenyl)-1H-indazol-3-yl]amino}-2-oxo-1-phenylethyl acetate
    —— 2-(5-fluoropyridin-2-yl)cyclopropanecarboxylic acid 1287206-24-9 C9H8FNO2
    2-(5-fluoropyridin-2-yl)cyclopropanecarboxylic acid
    —— 2-Benzylidenhydrazino-5-methyl-3-nitro-pyridin 15367-23-4 C13H12N4O2
    2-Benzylidenhydrazino-5-methyl-3-nitro-pyridin
    —— 2-Oxo-3-(3-nitrophenylhydrazono)-5-methyl-tetrahydrofuran 93534-99-7 C11H11N3O4
    2-Oxo-3-(3-nitrophenylhydrazono)-5-methyl-tetrahydrofuran
    —— 2-[1-(2,3-dimethyl-phenyl)-1H-tetrazol-5-ylsulfanyl]-N-[2-(2-methoxy-phenyl)-2H-pyrazol-3-yl]-acetamide 1200439-73-1 C21H21N7O2S
    2-[1-(2,3-dimethyl-phenyl)-1H-tetrazol-5-ylsulfanyl]-N-[2-(2-methoxy-phenyl)-2H-pyrazol-3-yl]-acetamide
    —— 2,6-difluoro-N-(3-(5-(2-(1,2,3,4-tetrahydro-7-isoquinolinylamino)-4-pyrimidinyl)-1,3-thiazol-4-yl)phenyl)benzamide 1160624-86-1 C29H22F2N6OS
    2,6-difluoro-N-(3-(5-(2-(1,2,3,4-tetrahydro-7-isoquinolinylamino)-4-pyrimidinyl)-1,3-thiazol-4-yl)phenyl)benzamide
    —— 2-[5-(4-Chloro-benzenesulfonyl)-4-methyl-6-methylamino-pyridin-2-ylamino]-ethanol 51565-71-0 C15H18ClN3O3S
    2-[5-(4-Chloro-benzenesulfonyl)-4-methyl-6-methylamino-pyridin-2-ylamino]-ethanol
    —— (2-Methyl-allyl)-[(E)-phenyliminomethyl]-thiophosphoramidic acid O-ethyl ester S-propyl ester 64547-02-0 C16H25N2O2PS
    (2-Methyl-allyl)-[(E)-phenyliminomethyl]-thiophosphoramidic acid O-ethyl ester S-propyl ester
    —— 2-Chloro-N-(dichloro-fluoro-methylsulfanyl)-acetamide 1862-80-2 C3H3Cl3FNOS
    2-Chloro-N-(dichloro-fluoro-methylsulfanyl)-acetamide
    —— 2-(2-methoxy-phenyl)-2<i>H</i>-pyridazin-3-one 35258-80-1 C11H10N2O2
    2-(2-methoxy-phenyl)-2<i>H</i>-pyridazin-3-one
    —— 2-(2-decyl-phenoxy)-valeric acid 94969-44-5 C21H34O3
    2-(2-decyl-phenoxy)-valeric acid
    —— 2-Methoxyethyl o-tolylsulfonylcarbamate 103852-92-2 C11H15NO5S
    2-Methoxyethyl o-tolylsulfonylcarbamate
    —— 2-(3,4-Dimethyl-6-oxo-6H-pyridazin-1-yl)-N,N-dimethyl-acetamide 100133-49-1 C10H15N3O2
    2-(3,4-Dimethyl-6-oxo-6H-pyridazin-1-yl)-N,N-dimethyl-acetamide
    —— (2,4-Dichloro-phenyl)-propynoic acid 3-dimethylamino-propyl ester 42122-60-1 C14H15Cl2NO2
    (2,4-Dichloro-phenyl)-propynoic acid 3-dimethylamino-propyl ester
    —— 2-[3-(2-chloro-ethoxy)-phenyl]-2,3-dihydro-benzo[<i>e</i>][1,3]oxazin-4-one 131132-48-4 C16H14ClNO3
    2-[3-(2-chloro-ethoxy)-phenyl]-2,3-dihydro-benzo[<i>e</i>][1,3]oxazin-4-one
    —— 2-Phenyl-3-N-aethyl-N-allylaminobicyclo<2.2.1>heptan 93901-28-1 C18H25N
    2-Phenyl-3-N-aethyl-N-allylaminobicyclo<2.2.1>heptan
    —— 2-{4-[1-(3,4,5-Trimethoxy-benzoyl)-piperidin-4-yl]-phenyl}-propionic acid 32262-04-7 C24H29NO6
    2-{4-[1-(3,4,5-Trimethoxy-benzoyl)-piperidin-4-yl]-phenyl}-propionic acid
    —— 2-(3-isopropoxy-propylamino)-6-oxo-1,6-dihydro-pyrimidine-5-carboxylic acid amide 94581-98-3 C11H18N4O3
    2-(3-isopropoxy-propylamino)-6-oxo-1,6-dihydro-pyrimidine-5-carboxylic acid amide
    —— 2-(2-Methyl-benzo[1,3]oxathiol-2-yl)-1H-pyrrole 112816-55-4 C12H11NOS
    2-(2-Methyl-benzo[1,3]oxathiol-2-yl)-1H-pyrrole
    —— 2-Chloromethyl-5-iodomethyl-tetrahydrofuran 19056-51-0 C6H10ClIO
    2-Chloromethyl-5-iodomethyl-tetrahydrofuran
    —— 2-(benzo[d]thiazol-2-ylsulfonyl)-1-morpholinoethan-1-one 1370463-23-2 C13H14N2O4S2
    2-(benzo[d]thiazol-2-ylsulfonyl)-1-morpholinoethan-1-one
    —— 2-(bromomethyl)-5,5-diphenyl-1-tosylpiperidine 1632313-38-2 C25H26BrNO2S
    2-(bromomethyl)-5,5-diphenyl-1-tosylpiperidine
    —— 2-methoxy-6-(pentadec-2-enyl)phenol 853947-45-2 C22H36O2
    2-methoxy-6-(pentadec-2-enyl)phenol
    —— (2E,4R)-4,5-diallyloxypent-2-ene-1,1-diacetate 222032-39-5 C15H22O6
    (2E,4R)-4,5-diallyloxypent-2-ene-1,1-diacetate
    —— 2,2'-Dicarboxy-4,4'-dinitro-3,3'-bithienyl 42324-85-6 C10H4N2O8S2
    2,2'-Dicarboxy-4,4'-dinitro-3,3'-bithienyl
    —— 2,18-di(3-methoxyphenyl)-5,10,15-tris(3,5-di-tert-butylphenyl)Ni(II)porphyrin 1337917-25-5 C76H84N4NiO2
    2,18-di(3-methoxyphenyl)-5,10,15-tris(3,5-di-tert-butylphenyl)Ni(II)porphyrin
    —— 2-tert-butyl-1-[tert-butyl(trimethylsilyl)amino]-3,3-bis(cyclopentadienyl)-2-aza-1-bora-3-zirconaindane 107354-47-2 C27H41BN2SiZr
    2-tert-butyl-1-[tert-butyl(trimethylsilyl)amino]-3,3-bis(cyclopentadienyl)-2-aza-1-bora-3-zirconaindane
    —— [((2',4',6'-triisopropyl-2-biphenyl)dicyclohexylphosphine)Ag(azide)] 1109286-87-4 C33H49AgN3P
    [((2',4',6'-triisopropyl-2-biphenyl)dicyclohexylphosphine)Ag(azide)]
    —— 2-(Methoxy-octanoyl-amino)-benzoic acid methyl ester 121989-87-5 C17H25NO4
    2-(Methoxy-octanoyl-amino)-benzoic acid methyl ester
    —— 2,3,4,5-tetramethoxy-6-(3-(4-methoxy-3-nitrophenyl)acryloyl)phenyl benzoate 1356700-15-6 C27H25NO10
    2,3,4,5-tetramethoxy-6-(3-(4-methoxy-3-nitrophenyl)acryloyl)phenyl benzoate
    —— (2S,3R,4S)-2,6-bis[[tert-butyl(dimethyl)silyl]oxy]-4-[(4-methoxyphenyl)methoxy]-3-methylhexanal 118207-48-0 C27H50O5Si2
    (2S,3R,4S)-2,6-bis[[tert-butyl(dimethyl)silyl]oxy]-4-[(4-methoxyphenyl)methoxy]-3-methylhexanal
    —— 2-[2-(N-methylanilino)-5-thiazolyl]acetic acid 56355-83-0 C12H12N2O2S
    2-[2-(N-methylanilino)-5-thiazolyl]acetic acid
    —— 2,2,2-Trichlorethyl-3-brommethyl-7β-formamidoceph-3-em-4-carboxylat 33748-39-9 C11H10BrCl3N2O4S
    2,2,2-Trichlorethyl-3-brommethyl-7β-formamidoceph-3-em-4-carboxylat