[OH:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[O:9][C:10]3[CH:32]=[C:31]([OH:33])[CH:30]=[CH:29][C:11]=3[C:12]=2[CH:13]([C:15]2[CH:20]=[CH:19][C:18]([O:21][CH2:22][CH2:23][N:24]3[CH2:28][CH2:27][CH2:26][CH2:25]3)=[CH:17][CH:16]=2)O)=[CH:4][CH:3]=1.C>>[OH:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[O:9][C:10]3[CH:32]=[C:31]([OH:33])[CH:30]=[CH:29][C:11]=3[C:12]=2[CH2:13][C:15]2[CH:16]=[CH:17][C:18]([O:21][CH2:22][CH2:23][N:24]3[CH2:28][CH2:27][CH2:26][CH2:25]3)=[CH:19][CH:20]=2)=[CH:4][CH:3]=1550 mg (1.2 mmol) of the product of Example 11 was reduced to the methane by the method described in Example 2. This yielded 270 mg of the title compound as an amorphous powder.
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