Caspofungin Impurity 4

Chemical Name: N-((2R,6S,9S,11R,12S,14aS,16R,20S,23S,25aS)-20-((R)-3-amino-1-hydroxypropyl)-12-((2-aminoethyl)amino)-23-((1S,2S)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl)-2,11,16-trihydroxy-6-((R)-1-hydroxyethyl)-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosin-9-yl)-10,12-dimethyltetradecanamide

Synonym: 2-Hydroxy Atorvastatin Sodium

Smile: O=C(N[C@H](C(N1[C@H]2C[C@@H](O)C1)=O)[C@H](O)C)[C@@H](NC(CCCCCCCCC(C)CC(C)CC)=O)C[C@@H](O)[C@@H](NCCN)NC([C@@H]3C[C@@H](O)CN3C([C@H]([C@H](O)CCN)NC([C@H]([C@H](O)[C@@H](O)C4=CC=C(O)C=C4)NC2=O)=O)=O)=O