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system
Provide the molecular formula for the IUPAC named substance (4-methoxyphenyl)methyl 2-[(2R,3S)-3-[(1R)-1-hydroxyethyl]-2-[(2R)-4-hydroxy-3-oxobutan-2-yl]-4-oxoazetidin-1-yl]-2-(triphenyl-lambda5-phosphanylidene)acetate .
user
C37H38NO7P
assistant