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What is the molecular formula of the molecule identified by (3R,4S,5S,6R)-4-[(2S,3S,4S,5S,6S)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-6-(hydroxymethyl)oxane-2,3,5-triol ?
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C18H32O16
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