SMILES: C(C=O)S(=O)O
Description: The molecule is an organosulfinic acid that is methanesulfinic acid in which one of the methyl hydrogens has been replaced by a formyl group. It is an organosulfinic acid and an alpha-CH2-containing aldehyde. It is a conjugate acid of a 2-sulfinoacetaldehyde(1-).