The molecule is the methyl thiolester of 3-phospho-1-thio-D-glyceric acid. It is a carbohydrate acid ester, an aldonate ester phosphate and a thioester. It is a conjugate acid of a S-methyl 3-O-phosphonato-1-thio-D-glycerate(2-).
S-methyl (2R)-2-hydroxy-3-phosphonooxypropanethioate