Citric Acid → 4-(4-(((2-((Tert-butoxy)carbonylamino)-1-(methoxycarbonyl)ethyl) amino)sulfonyl)-3,5-dimethylphenoxy)butanoic acid

Reaction equation

Cl[S:2]([C:5]1[C:17]([CH3:18])=[CH:16][C:8]([O:9][CH:10]([CH2:14][CH3:15])C(O)=O)=[CH:7][C:6]=1[CH3:19])(=[O:4])=[O:3].[NH2:20][C@H:21]([C:31]([O:33][CH3:34])=[O:32])[CH2:22][NH:23][C:24]([O:26][C:27]([CH3:30])([CH3:29])[CH3:28])=[O:25].Cl.[C:36]([O-])([OH:38])=[O:37].[Na+].C(O)(=O)CC(CC(O)=O)(C(O)=O)O>O1CCOCC1.O.CCOC(C)=O>[C:27]([O:26][C:24]([NH:23][CH2:22][CH:21]([NH:20][S:2]([C:5]1[C:6]([CH3:19])=[CH:7][C:8]([O:9][CH2:10][CH2:14][CH2:15][C:36]([OH:38])=[O:37])=[CH:16][C:17]=1[CH3:18])(=[O:3])=[O:4])[C:31]([O:33][CH3:34])=[O:32])=[O:25])([CH3:30])([CH3:29])[CH3:28]