User talk:Anddero

D/L amino acids at chirality (chemistry)
Please see the cited ref, which appears to be the IUPAC official publication. The change you made contradicts what it says (the ref has a diagram with COO–, R, NH3+ arranged counterclockwise (with H away) in various projections and says it's L. And it draws the opposite stereochemical form for serine and glyceraldehyde (the origin of the D/L scheme) and calls them D. DMacks (talk)