SMILES: C[C@H](CC[NH3+])[C@H](C(=O)[O-])[NH3+]
Description: The molecule is an amino-acid cation obtained by deprotonation of the carboxy group and protonation of the two amino groups of (3R)-3-methyl-D-ornithine; major species at pH 7.3. It is a conjugate acid of a (3R)-3-methyl-D-ornithine.