Trifluoroacetic acid → (E)-(2S,3S)-3-[(S)-2-(4-butoxy-phenyl)-1-methoxycarbonyl-ethylcarbamoyl]-12,12-difluoro-2-hydroxy-2-(2-methoxy-ethyl)-nonadec-4-enoic acid

Reaction equation

[CH2:1]([O:5][C:6]1[CH:11]=[CH:10][C:9]([CH2:12][C@H:13]([NH:18][C:19]([C@@H:21](/[CH:35]=[CH:36]/[CH2:37][CH2:38][CH2:39][CH2:40][CH2:41][CH2:42][C:43]([F:52])([F:51])[CH2:44][CH2:45][CH2:46][CH2:47][CH2:48][CH2:49][CH3:50])[C@@:22]([OH:34])([CH2:30][CH2:31][O:32][CH3:33])[C:23]([O:25]C(C)(C)C)=[O:24])=[O:20])[C:14]([O:16][CH3:17])=[O:15])=[CH:8][CH:7]=1)[CH2:2][CH2:3][CH3:4].FC(F)(F)C(O)=O>ClCCl>[CH2:1]([O:5][C:6]1[CH:7]=[CH:8][C:9]([CH2:12][C@H:13]([NH:18][C:19]([C@@H:21](/[CH:35]=[CH:36]/[CH2:37][CH2:38][CH2:39][CH2:40][CH2:41][CH2:42][C:43]([F:51])([F:52])[CH2:44][CH2:45][CH2:46][CH2:47][CH2:48][CH2:49][CH3:50])[C@@:22]([OH:34])([CH2:30][CH2:31][O:32][CH3:33])[C:23]([OH:25])=[O:24])=[O:20])[C:14]([O:16][CH3:17])=[O:15])=[CH:10][CH:11]=1)[CH2:2][CH2:3][CH3:4]