Caspofungin Impurity 2

Chemical Name: N-((2R,6S,9S,11R,14aS,15S,20S,23S,25aS)-20-((R)-3-amino-1-hydroxypropyl)-23-((1S,2S)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl)-2,11,15-trihydroxy-6-((R)-1-hydroxyethyl)-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[1,2-a:1',2'-j][1,4,7,10,13]pentaazacyclohenicosin-9-yl)-10,12-dimethyltetradecanamide