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5R,8R-(+)-Lysergic-Acid-N,N-Diethylamide
d-Lysergic Acid Diethylamide
LSD-25, "Acid"

C20H25N3O
323.42 g/mole

This molecular structure of LSD was generated from the lsd.pdb file which can be viewed by either RasMol or Xmol (See the note on MIME types and the PDB Databank). Also check out HRI's Molecular Graphics.