Chemically Talking, this molecule is "halfway" concerning Sorbitan Oleate and Sorbitan Trioleate, which means that it is also an attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the unsaturated fatty acid Oleic Acid, but in a ratio of 2:3 consequently the "Sesqui" part from the molecule's identify. Thanks to Nivea, Q10 can be a