(3aS,4R,6R,7R,7aS)-4-((1S,2S)-2-chloro-1-((2S,4R)-1-methyl-4-propylpyrrolidine-2-carboxamido)propyl)-2,2-dimethyl-6-(methylthio)tetrahydro-4H-[1,3]dioxolo[4,5-c]pyran-7-yl dihydrogen phosphate,(3aS,4R,6R,7R,7aS)-4-((1S,2S)-2-chloro-1-((2S,4R)-1-methyl-4-propylpyrrolidine-2-carboxamido)propyl)-2,2-dimethyl-6-(methylthio)tetrahydro-4H-[1,3]dioxolo[4,5-c]pyran-7-yl dihydrogen phosphate,Clindamycin Impurity