| Hesperetin | 520-33-2 |
| Histamine | |
| Histrelin | 76712-82-8 |
| Homatropine Hydrobromide | |
| Hyalgan (1% Hyaluronic Acid) | 497-30-3 |
| Hydrochloric acid | 7647-01-0 |
| Hydrocortisone Sodium Phosphate | 6000-74-4 |
| Hydroxyethyl cellulose | 9004-62-0 |
| Hydroxyethyl salicylate | 87-28-5 |
| Hydroxyethyl starch | 9005-27-0 |
| Hymecromone | 90-33-5 |
| Ibutilide | 122647-31-8 |
| Icotinib hydrochloride | 186497-07-4 |
| Ifenprodil | 23210-56-2 |
| Ikdoin | |
| Ilaprazole | 172152-36-2 |
| Immunodeficient Mice And Humanized Liver Mice | 1642288-47-8 |
| Insulin Lispro | 133107-64-9 |
| Ipilimumab | 477202-00-9 |
| Iron | 7439-89-6 |
| Isavuconazonium | 742049-41-8 |
| Isavuconazonium sulfate | 960404-48-2 |
| Isoconazole | 27523-40-6 |
| Isoflavone | 125275-25-4 |
| Isoxsuprine Hydrochloride | |
| Josamycin | 16846-24-5 |
| Kanamycin Mono Sulphate | 25389-94-0 |
| Ketazolam | 27223-35-4 |
| L-Ascorbic Acid (2-Glucoside) | 129499-78-1 |
| Lactobacillus acidophilus | 7778-80-5 |
| Lapatinib Ditosylate | 388082-78-8 |
| Larotrectinib | 1223403-58-4 |
| Lasmiditan | 439239-90-4 |
| Lemon oil | 136-47-0 |
| Lemon verbena leaf | |
| Lepirudin | 138068-37-8 |
| Leucovorin | 58-05-9 |
| Leuprolide Acetate | 74381-53-6 |
| Levalbuterol | 50293-90-8 |
| Levoleucovorin | 68538-85-2 |