[C:13]([CH:14]=[CH2:15])(=[O:16])[O:17][CH3:18].[C:1]([CH3:2])([CH3:3])([CH3:4])[O:5][C:6]([CH:7]([NH2:8])[CH:9]([CH3:10])[CH3:11])=[O:12].[CH3:19][OH:20]>>[C:1]([CH3:2])([CH3:3])([CH3:4])[O:5][C:6]([CH:7]([NH:8][CH2:15][CH2:14][C:13](=[O:16])[O:17][CH3:18])[CH:9]([CH3:10])[CH3:11])=[O:12]불러오는 중…