IUPAC:1-[2,7-bis({2-[(2R,3S,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]ethynyl})spiro[fluorene-9,4'-piperidin]-1'-yl]ethan-1-one
IUPAC:1-[2,7-bis({2-[(2R,3S,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]ethynyl})spiro[fluorene-9,4'-piperidin]-1'-yl]ethan-1-one