克林霉素磷酸酯杂质B
QY-KLMZ-B
(2R,3R,4S,5R,6R)-6-((1S,2S)-2-chloro-1-((2S,4R)-4-ethyl-1-methylpyrrolidine-2-carboxamido)propyl)-4,5-dihydroxy-2-(methylthio)tetrahydro-2H-pyran-3-yl dihydrogen phosphate
54887-31-9
C17H32ClN2O8PS