is conjugate acid of L-homoserine lactone ammonium ion L-homoserine lactone(1+) (3S)-2-oxotetrahydrofuran-3-aminium +1 102.056 102.11180 An ammonium ion resulting from the protonation of the amino group of L-homoserine lactone. The major species at pH 7.3. C4H8NO2 CHEBI:58633 InChI=1S/C4H7NO2/c5-3-1-2-7-4(3)6/h3H,1-2,5H2/p+1/t3-/m0/s1 L-homoserine lactone QJPWUUJVYOJNMH-VKHMYHEASA-O [NH3+][C@H]1CCOC1=O chebi_ontology