[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][C@@H1][Branch1][P][C@H1][Branch1][N][C@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][O][O][C][O]"}, {"from": "gpt", "value": "The molecule is a monosaccharide derivative that is the 3-O-methyl derivative of alpha-L-rhamnopyranose. An epitope identified from the glycolipids isolated from Mycobacterium peregrinum. It has a role as an epitope. It is functionally related to an alpha-L-rhamnopyranose."}]