Lecanoric acid
p-Diorsellinic acid, alpha-Orsellinic acid, Glabratic acid, NSC 249981, Parmelialic acid,
Lobaric acid
Usnetic acid
Limonin
Di-δ-lactone limonoic acid, 7,16-Dioxo-7,16-dideoxylimondiol, Citrolimonin, Dictamnolactone, Evodin, Limonine, Obaculactone, Obakulactone
Lupeol
Monogynol B, (+)-Lupeol, Clerodol, Fagarasterol, Fagarsterol, Lupenol, Lupeol, NSC 90487, β-Viscol
Lepimectin A4
Leoidin
Lupanine
(+)-2-Oxosparteine, (+)-Lupanine, Oxosparteine, D-(+)-Lupanine, D-Lupanine, Lupanin, d-Lupanine
L-Lysine lactam
L-(-)-α-Amino-ε-caprolactam, (3S)-3-Aminohexahydro-2H-azepin-2-one
D-Lysine lactam
D-(+)-α-Amino-ε-caprolactam, (3R)-3-Aminohexahydro-2H-azepin-2-one