Caspofungin Impurity 1

Chemical Name: ((2R,4R)-N-((2S)-1-((2S,4R)-2-((2S,3S,4S)-1-((2S,3R)-5-amino-1-((2S,3S)-2-carbamoyl-3-hydroxypyrrolidin-1-yl)-3-hydroxy-1-oxopentan-2-ylamino)-3,4-dihydroxy-4-(4-hydroxyphenyl)-1-oxobutan-2-ylcarbamoyl)-4-hydroxypyrrolidin-1-yl)-3-hydroxy-1-oxobutan-2-yl)-1-(10,12-dimethyltetradecanoyl)-4,5-dihydroxypyrrolidine-2-carboxamide

Smile: OC1=CC=C([C@H](O)[C@@H](O)[C@H](NC([C@@H]2C[C@@H](O)CN2C([C@H]([C@H](O)C)NC([C@H]3C[C@@H](O)C(O)N3C(CCCCCCCC[C@@H](C)C[C@@H](C)CC)=O)=O)=O)=O)C(N[C@@H]([C@H](O)CCN)C(N4[C@H](C(N)=O)[C@@H](O)CC4)=O)=O)C=C1