[Br:1][CH2:2][C:3]([C:5]1[CH:10]=[CH:9][CH:8]=[C:7]([NH:11][S:12]([CH3:15])(=[O:14])=[O:13])[CH:6]=1)=[O:4]>CO.C(Cl)(Cl)Cl>[Br:1][CH2:2][CH:3]([C:5]1[CH:6]=[C:7]([NH:11][S:12]([CH3:15])(=[O:14])=[O:13])[CH:8]=[CH:9][CH:10]=1)[OH:4]The above-identified compound (50.76 g) was obtained by processing Intermediate 14 (45 g) through reaction and after-treatment in accordance with the procedures of synthesis of Intermediate 41. Rf=0.27 (methanol/chloroform of 1/10).
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