database_identifier chemical_formula smiles inchi metabolite_identification metabolite_class mass_to_charge fragmentation modifications charge retention_time taxid species database database_version reliability search_engine search_engine_score peak_identifier 05_01 05_02 05_03 CHEBI:16643 C5H11NO2S CSCC[C@H](N)C(O)=O InChI=1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1 L-methionine Amino acids 150.1 61.40 | 56.40 [M+H]+ 1 6 7227 Drosophila melanogaster CHEBI MSI:1 8.821 9.8342 8.4743 CHEBI:17016 C5H11NO3S CS(=O)CC[C@H](N)C(O)=O InChI=1S/C5H11NO3S/c1-10(9)3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-,10?/m0/s1 L-methionine S-oxide Amino acids 164.3 63.15 | 100.20 | 48.20 [M-H]- 1 2 7227 Drosophila melanogaster CHEBI MSI:1 63.8426 35.9415 45.6516