| Levorphanol | 77-07-6 |
| Liposome NAD+ | 808118-40-3 |
| Liraglutide Main Chain (GLP7-37) | 204521-68-6 |
| Lisuride | 18016-80-3 |
| Lomitapide | 182431-12-5 |
| Lomustine | 13010-47-4 |
| Loxoprofen Sodium | 80382-23-6 |
| Lumateperone | 313368-91-1 |
| Luo Han Guo extract | 88901-36-4 |
| Lutein | 127-40-2 |
| Macrogol 3000 | |
| Macrogol 8000 | |
| Macrogol Cetostearyl Ether 25 | 68439-49-6 |
| Magnesium Aluminum Silicate | 1327-43-1 |
| Magnesium acetate tetrahydrate | 16674-78-5 |
| Magnesium aspartate | 18962-61-3 |
| Maprotiline | 10262-69-8 |
| Maraviroc | 376348-65-1 |
| Marbofloxacin | 115550-35-1 |
| Marsh-mallow | |
| Mebhydroline Napadisylate | 6153-33-9 |
| Meclofenamic acid | 644-62-2 |
| Mepivacaine Hydrochloride | 1722-62-9 |
| Meptasol | 3366-95-8 |
| Metformin HCL | 15537-72-1 |
| Methyl red | 439685-79-7 |
| Methylergometrine | 113-42-8 |
| Methylumbelliferone | 532-23-1 |
| Milbemycin Oxime | 129496-10-2 |
| Mildronate | 76144-81-5 |
| Miltefosine | 58066-85-6 |
| Mitiglinide | 145375-43-5 |
| Mitiglinide Calcium | 207844-01-7 |
| Mizolastine | 108612-45-9 |
| Moexipril | 103775-10-6 |
| Molsidomine | 25717-80-0 |
| Monobenzone | 103-16-2 |
| Monopotassium phosphate | 7778-77-0 |
| Morniflumate | 65847-85-0 |
| Myrrh | 9000-45-7 |