[C:1]([Li:2])([CH3:3])([CH3:4])[CH3:5].[CH3:11][O:12][c:13]1[cH:14][cH:15][c:16]([NH:17][C:18]([O:19][C:20]([CH3:21])([CH3:22])[CH3:23])=[O:24])[cH:25][cH:26]1.[CH3:27][Sn:28]([CH3:29])([CH3:30])[Cl:31].[CH3:6][CH2:7][CH2:8][CH2:9][CH3:10]>>[CH3:11][O:12][c:13]1[cH:14][c:15]([Sn:28]([CH3:27])([CH3:29])[CH3:30])[c:16]([NH:17][C:18]([O:19][C:20]([CH3:21])([CH3:22])[CH3:23])=[O:24])[cH:25][cH:26]1불러오는 중…