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  1. 241
    Novel Synthesis and Polymerization of 4,4’-Bisazetidine-2,4-dione Benzophenone.
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  2. 242
    Synthesis and Mesomorphic Properties of 4-(4-Alkylphenyl)-4-cyano-α-methylstilbene and
    by Chin-Yen Chang, 張晉彥
    Published 2002
    “...碩士 === 國立交通大學 === 應用化學系 === 90 === Four series of liquid crystals, i.e., 4-alkyl-4...”
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  3. 243
    STRUCTURE OF [Hg2(SPh)4(μ-4,4'-bpy)]n
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  4. 244
    Preparation and reactions with amines of 4,4,4-trichloro-2-butenoic acid
    by White, Jerry Leroy.
    Published 2015
    “...Call number: LD2668 .T4 1959 W49...”
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  5. 245
    Bis[4-(2,4,4-trimethylpentan-2-yl)phenyl]amine
    by Limin Wang, Shengpei Wang, Shenggao Liu
    Published 2016-03-01
    Subjects: “...2,4,4-trimethylpentan-2-yl...”
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  6. 246
    Crystal structures of ethyl 6-(4-methylphenyl)-4-oxo-4H-chromene-2-carboxylate and ethyl 6-(4-fluorophenyl)-4-oxo-4H-chromene-2-carboxylate
    “...The crystal structures of two chromone derivatives, viz. ethyl 6-(4-methylphenyl)-4-oxo-4H-chromene...”
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  7. 247
    Synthesis of N-(5-(Substitutedphenyl)-4,5-dihydro-1H-pyrazol-3-yl)-4H-1,2,4-triazol-4-amine from 4-Amino-4H-1,2,4-triazole
    by Ashvin D. Panchal, Pravin M. Patel
    Published 2011-01-01
    “...N-(4H-1,2,4-Triazol-4-yl)acetamide (2) were prepared by reaction of 4-amino-4H-1,2,4-triazole (1...”
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  8. 248
    Methyl 4-[5-(4-fluorophenyl)-4-(pyridin-4-yl)-1H-imidazol-2-ylsulfanyl]butanoate
    “... substitution of 4-(4-fluorophenyl)-5-(pyridin-4-yl)-1,3-dihydroimidazole-2-thione with methyl 4-bromobutanoate...”
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  9. 249
    Diaquabis[2-(4-bromophenyl)acetato]bis(N4,N4-dimethylpyridin-4-amine)copper(II)
    by Yong-Ming Cui, Xi-Bin Dai, Ru-Hua Zha, Qing-Fu Zeng
    Published 2009-10-01
    “...}) adopts a Jahn–Teller-distorted trans-CuN2O4 octahedral coordination, with the aqua O atoms...”
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  10. 250
    4-(4-Methoxyphenethyl)-3-methyl-1H-1,2,4-triazol-5(4H)-one
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  11. 251
    4-Amino-3-(4-hydroxybenzyl)-1H-1,2,4-triazole-5(4H)-thione
    “...In the title compound, C9H10N4OS, the dihedral angle between the benzene and 1H-1,2,4-triazole-5(4H...”
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  12. 252
    4-Methyl-N-(4-methylphenylsulfonyl)-N-[4-(4-methylphenyl)-1,3-thiazol-2-yl]benzenesulfonamide
    “...There are two independent molecules in the asymmetric unit of the title compound, C24H22N2O4S3...”
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  13. 253
    4-Benzyl-6-bromo-2-(4-methoxyphenyl)-4H-imidazo[4,5-b]pyridine monohydrate
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  14. 254
    (4S,5R)-4-Benzyloxy-5-[4-(cyclohexanecarbonyl)phenyl]-1-(4-methoxybenzyl)pyrrolidin-2-one
    by Yan-Jiao Gao, Jie Ma, Xiao Zheng
    Published 2014-04-01
    “...The title compound, C32H35NO4, is an unexpected product obtained in the SmI2-mediated radical cross...”
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  15. 255
    Crystal structure of methyl (4R)-4-(4-methoxybenzoyl)-4-{[(1R)-1-phenylethyl]carbamoyl}butanoate
    “... of the corresponding β-lactam. The dihedral angle between the benzene rings is 13.3 (4)° and the C—N—C(=O)—C torsion...”
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  16. 256
    3-Mesityl-2-oxo-1-oxaspiro[4.4]non-3-en-4-yl 4-chlorobenzoate
    by Ming-Hua Ji, Min Xia, Guo-Nian Zhu, Jin-Hao Zhao
    Published 2009-04-01
    “...The title compound, C24H23ClO4, is a potent insecticide and miticide. The five-membered...”
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  17. 257
    1,4-Bis[4-(methoxycarbonyl)benzyl]-1H-1,2,4-triazol-4-ium bromide
    “...In the title salt, C20H20N3O4+·Br−, the dihedral angle between the benzene rings...”
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  18. 258
    4-(4-Pyridyl)pyridinium 3′,4,4′-tricarboxybiphenyl-3-carboxylate dihydrate
    “... in the 4-(4-pyridyl)pyridinium cation and the acidic H atom of the carboxylate groups at the 3 and 3&amp...”
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  19. 259
    4-Amino-3-(4-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione
    by Sampath Natarajan, Rita Mathews
    Published 2012-02-01
    “...In the title compound, C8H7ClN4S, the benzene ring is statistically disordered over two...”
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  20. 260
    4-(4-Fluorophenyl)-1-(4-nitrophenyl)-3-(pyridin-4-yl)-1H-pyrazol-5-amine
    “... attached 4-fluorophenyl, pyridine and nitrophenyl rings, respectively. The crystal packing is characterized...”
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