SMILES: CC(C)(C=O)[C@H](C(=O)O)O
Description: The molecule is the 4-dehydro derivative of (R)-pantoic acid. It is a 2-hydroxy monocarboxylic acid and an aldehyde. It derives from a (R)-pantoic acid. It is a conjugate acid of a (R)-4-dehydropantoate.