[Br:14][C:15]([CH3:16])([CH2:17][CH3:18])[CH3:19].[CH2:1]([SnH:2]([CH2:3][CH2:4][CH2:5][CH3:6])[CH2:7][CH2:8][CH2:9][CH3:10])[CH2:11][CH2:12][CH3:13].[CH2:20]=[CH:21][C:22]#[N:23].[cH:24]1[cH:25][cH:26][cH:27][cH:28][cH:29]1>>[C:15]([CH3:16])([CH2:17][CH3:18])([CH3:19])[CH2:20][CH2:21][C:22]#[N:23]불러오는 중…