[OH:1][CH2:2][CH2:3][CH2:4][CH2:5][NH:6][C:7]([NH:9][CH:10]1[CH2:18][C:17]2[C:12](=[CH:13][CH:14]=[CH:15][CH:16]=2)[CH2:11]1)=[O:8].O=CCCCNC(=O)C1C=CC=CC=1>>[CH2:11]1[C:12]2[C:17](=[CH:16][CH:15]=[CH:14][CH:13]=2)[CH2:18][CH:10]1[NH:9][C:7]([NH:6][CH2:5][CH2:4][CH2:3][CH:2]=[O:1])=[O:8]1-Indan-2-yl-3-(4-oxobutyl)urea (60C) is prepared from 60B as described for 1E.
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