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system
Name the molecular formula for the molecule established as 2,2-bis(hydroxymethyl)propane-1,3-diol;2,4,8,10-tetraoxa-3lambda4,9lambda4-dithiaspiro[5.5]undecane 3,9-dioxide;2,4,8,10-tetraoxa-3lambda6,9lambda6-dithiaspiro[5.5]undecane 3,3,9,9-tetraoxide using the IUPAC nomenclature.
user
C15H28O18S4
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