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(2007/10/02)(Z)-N-benzoylamino-3-(4-chlorophenyl) acrylic acid methyl ester
methyl (Z)-2-acetylamino-3-(4-chlorophenyl)-2-propenoate
cis-4-p-chlorophenyl-3-benzamido-3-carbomethoxy-Δ1-pyrazoline
cis-4-p-chlorophenyl-3-acetamido-3-carbomethoxy-Δ1-pyrazoline