- L Lysine
- L Methcathinone
- L-(+)-rhamnose
- Labetalol
- Labetalone
- Lacidipine
- Lacosamide
- Lactase
- Lactic Acid
- Lactitol
- Lactitol Monohydrate
- Lactobionic Acid
- Lactofen
- Lactoferrin
- Lactone
- Lactose
- Lactoyl
- Lactulose
- Lafutidine
- L-alanine
- Lambda Cyhalothrin
- Lamivudine
- Lamotrigine
- Landiolol
- Laninamivir
- Lanostane
- Lanperisone
- Lanreotide
- Lansoprazole
- Lanthionine
- Lapatinib
- Larazotide Acetate
- Largazole
- L-arginine
- Larotrectinib
- Lascufloxacin
- Lasiocarpine
- Lasmiditan
- Lasofoxifene
- L-asparagine
- Latamoxef
- Latanoprost
- Latanoprostene Bunod
- Laudanosine
- Lauric Acid
- Laurimin
- Laurotetanine
- Lauroyl
- Lavandulal
- Lavandulol
- Lavandulyl
- Lazertinib
- L-carnitine
- L-cysteine
- L-cystine
- Lecirelin
- Ledipasvir
- Lefamulin
- Lefamulin Acetate
- Leflunomide
- Lemborexant
- Leminoprazole
- Lenacapavir
- Lenalidomide
- Leniolisib
- Lentinan
- Lenvatinib
- Lercanidipine
- Lercanidipine Hydroc...
- Lesinurad
- Letermovir
- Letrozole
- Leucine
- Leucine Enkephalin
- Leucinol
- Leucocrystal
- Leucomalachite
- Leucomalachite Green
- Leucovorin
- Leucovurin
- Leuprolide
- Leuprolide Acetate
- Leuprolide Mesylate
- Leuprorelin
- Levalbuterol
- Levamfetamine
- Levamisole
- Levamlodipine
- Levamlodipine Maleat...
- Levantenolide
- Levetiracetam
- Levmetamfetamine
- Levoamlodipine
- Levobunolol
- Levocabastine
- Levocabastine Hydroc...
- Levocarnitine
- Levocetirizine
- Levocetirizine Dihyd...
- Levocetrizine
- Levocloperastine
- Levodopa
- Levodropropizine
- Levofloxacin
- Levofolinate
- Levoketoconazole
- Levoleucovorin
- Levomefolate
- Levomefolic Acid
- Levomepromazine
- Levomilnacipran
- Levomilnacipran Hydr...
- Levonorgestrel
- Levorphanol
- Levosimendan
- Levosulpiride
- Levosulpride
- Levothyroxine
- Levulinate
- Levulinic Acid
- L-glutathione
- L-histidine
- L-homocysteine
- L-hydroxyproline
- Licarbazapine
- Licarbazepine
- Lichenin
- Licoricesaponin
- Lidocaine
- Lifitegrast
- Ligagliptin
- Ligandrol
- Lignosulphonate
- Ligstroside
- Limaprost
- Limonene
- Limonin
- Linaclotide
- Linagliptin
- Linalool
- Linaprazan
- Lincomycin
- Lincomycin Hydrochlo...
- Lindane
- Linezolid
- Linezolide
- Linifanib
- Linoleic Acid
- Linolenate
- Linolenic Acid
- Linoleoyl
- Linuron
- Linzagolix
- Liothyronine
- Lipofermata
- Lipoic Acid
- Liquiritigenin
- Liraglutide
- Liranaftate
- Lisdexamfetamine
- Lisdexamphetamine
- Lisinopril
- Lisofylline
- Lithocholic
- Lithocholic Acid
- Litoxetine
- Lixisenatide
- L-lactic Acid
- L-leucinehydrochlori...
- L-methionine
- Lobeglitazone
- Lofepramine
- Lofexidine
- Lomefloxacin
- Lomitapide
- Lomustine
- Lopamidol
- Loperamide
- Lopinavir
- Loprazolam
- Loratadine
- Lorazepam
- Lorcaserin
- Lorlatinib
- Lornoxicam
- Losartan
- Lotamilast
- Loteprednol
- Loteprednol Etabonat...
- Lotilaner
- Lovastatin
- Lovastatin Acid
- Loxapine
- Loxoprofen
- L-phenyl Alanine
- L-phenylalanine
- L-phenyl-alanine
- L-phenylglycine
- L-photo-leucine
- L-proline
- L-prolinol
- L-serine
- L-threonate
- L-threonine
- L-threonolactone
- L-tryptophan
- L-tyrosine
- Lubiprostone
- Luciferin
- Lufenuron
- Luliconazole
- Lumacaftor
- Lumateperone
- Lumateperone Bromide
- Lumefantrine
- Luminol
- Lumiracoxib
- Lumisterol
- Lupeol
- Luperox
- Lurasidone
- Lurasidone Hydrochlo...
- Lurbinectedin
- Luseogliflozin
- Lusutrombopag
- Lutein
- Luteolin
- L-valine
- Lycopene
- Lycopsamine
- Lycoramine
- Lycorine
- Lymecycline
- Lyngbyatoxin
- Lypressin
- Lysergamide
- Lysergide
- Lysergol
- Lysine
- Lysinonorleucine
- Lysozyme
- Lysozyme C