[CH3:1][O:2][c:3]1[c:4]([CH3:16])[cH:5][c:6]2[c:11]([cH:12]1)[C:10](=[O:13])[CH2:9][CH2:8][C:7]2([CH3:14])[CH3:15].[CH:18]([CH3:19])([CH3:20])[Mg+:21].[Cl-:17]>>[CH3:1][O:2][c:3]1[c:4]([CH3:16])[cH:5][c:6]2[c:11]([cH:12]1)[C:10]([CH:18]([CH3:19])[CH3:20])=[CH:9][CH2:8][C:7]2([CH3:14])[CH3:15]불러오는 중…