is conjugate acid of L-tyrosinal(1+) (2S)-1-(4-hydroxyphenyl)-3-oxopropan-2-aminium A primary ammonium ion resulting from the protonation of the amino group of L-tyrosinal. CHEBI:141668 +1 166.197 (2S)-1-(p-hydroxyphenyl)-3-oxopropan-2-aminium O=C[C@@H]([NH3+])CC=1C=CC(=CC1)O InChI=1S/C9H11NO2/c10-8(6-11)5-7-1-3-9(12)4-2-7/h1-4,6,8,12H,5,10H2/p+1/t8-/m0/s1 C9H12NO2 MetaCyc:CPD-21526 L-tyrosinal PMID:23281040 chebi_ontology 166.08626 DXGAIOIQACHYRK-QMMMGPOBSA-O L-tyrosinal primary ammonium ion