Cl[C:2]([O:4][CH:5]1[CH2:10][C:9]([CH3:12])([CH3:11])[N:8]([O:13][CH3:14])[C:7]([CH3:16])([CH3:15])[CH2:6]1)=[O:3].[CH3:17][NH:18][NH2:19]>CO>[CH3:17][NH:18][NH:19][C:2]([O:4][CH:5]1[CH2:10][C:9]([CH3:12])([CH3:11])[N:8]([O:13][CH3:14])[C:7]([CH3:16])([CH3:15])[CH2:6]1)=[O:3]The title compound is prepared by reacting the compound of Example 27 (1 mole) with methylhydrazine (1.1 mole) in methanol.
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