has functional parent erythritol tetritol 2-methylerythritol (2R,3S)-2-methylbutane-1,2,3,4-tetrol 136.074 136.14640 A tetritol that is erythritol substituted by a methyl group at position 2. C5H12O4 CHEBI:86367 C[C@@](O)(CO)[C@@H](O)CO HGVJFBSSLICXEM-CRCLSJGQSA-N HMDB:HMDB0011659 InChI=1S/C5H12O4/c1-5(9,3-7)4(8)2-6/h4,6-9H,2-3H2,1H3/t4-,5+/m0/s1 PMID:24023812 chebi_ontology