[Br:1][C:2]1[C:3]([O:21][CH3:22])=[C:4]([C:10]([CH2:13][S:14][C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=2)=[CH:11][CH:12]=1)[C:5]([O:7][CH2:8]C)=[O:6].BrC1C(OC)=C(C(CBr)=CC=1)[C:27](OC)=[O:28].COC1C=C(S)C=CC=1>>[Br:1][C:2]1[C:3]([O:21][CH3:22])=[C:4]([C:10]([CH2:13][S:14][C:15]2[CH:20]=[CH:19][CH:18]=[C:17]([O:28][CH3:27])[CH:16]=2)=[CH:11][CH:12]=1)[C:5]([O:7][CH3:8])=[O:6]Prepared by proceeding in a similar manner to Intermediate 73, starting from methyl 3-bromo-6-bromomethyl-2-methoxybenzoate (Intermediate 89) and 3-methoxythiophenol.
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