Chemically Talking, this molecule is "midway" in between Sorbitan Oleate and Sorbitan Trioleate, indicating that it's also an attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the unsaturated fatty acid Oleic Acid, but in a ratio of 2:3 that's why the "Sesqui" section inside the molecule's title. Apple requires no introduction a