Clindamycin Cyclomonophosphate

: [(1R,2R)-1-Methyl-4-propyl-2-pyrrolidinyl]{(2S)-1-[(4R,7S)-2-hydroxy-7-hydroxy-4-(methylthio)-2-oxo-1,3,5-trioxa-2-phosphahexahydroinden-6-yl]-2-chloropropylamino}formaldehyde; {(1R,2R)-1-[(4R,7S)-2-Hydroxy-7-hydroxy-4-(methylthio)-2-oxo-1,3,5-trioxa-2-phosphahexahydroinden-6-yl]-2-chloropropylamino}[(2R)-1-methyl-4-propyl-2-pyrrolidinyl]formaldehyde ;