L-alpha-amino acid alanine L-alanine-2,3,3,3-d4 2,3,3,3-tetradeuterioL-alanine 89.048 93.11780 A deuterated compound that is L-alanine in which the alpha-hydrogen and the three methyl hydrogens are replaced by deuterium. C3H7NO2 CHEBI:76050 InChI=1S/C3H7NO2/c1-2(4)3(5)6/h2H,4H2,1H3,(H,5,6)/t2-/m0/s1/i1D3,2D L-(2,3,3,3-(2)H4)alanine L-alanine-d4 QNAYBMKLOCPYGJ-IALWIIEESA-N Reaxys:11056411 [2H]C([2H])([2H])[C@]([2H])(N)C(O)=O chebi_ontology deuterated compound