has role is conjugate acid of is enantiomer of D-tryptophan L-tryptophanium D-tryptophanium (1R)-1-carboxy-2-(1H-indol-3-yl)ethanaminium +1 205.098 205.23320 C11H13N2O2 CHEBI:32717 D-tryptophan cation D-tryptophanium InChI=1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)/p+1/t9-/m1/s1 QIVBCDIJIAJPQS-SECBINFHSA-O The D-enantiomer of tryptophanium. [NH3+][C@H](Cc1c[nH]c2ccccc12)C(O)=O chebi_ontology tryptophanium bacterial metabolite