Question: The organic compound with formula C3H8O2 is mainly used as a what that can can be formed by the nucleophilic attack of methanol on a  colorless and flammable gas with a faintly sweet odor?
Sentence (from "Propylene glycol"): Propylene glycol, also called propane-1,2-diol, is a synthetic organic compound with the chemical formula CHO.
Relevant evidence: No