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