| LEUCOMYCIN A8 TARTRATE | 4268T22U0B | chemical |
| LEUCOMYCIN A9 | CP0O775YFL | chemical |
| LEUCOMYCIN A9 TARTRATE | A8G1ZU1DMS | chemical |
| LEUCOMYCIN V | VW9SY2S5WL | chemical |
| LEUCOMYCIN V, 14-HYDROXY- | 3MC67JY2A7 | chemical |
| LEUCOMYCIN V, 4B-(3-HYDROXYBUTANOATE) 3B-PROPANOATE | 5K2CF488XZ | chemical |
| LEUCONOSTOC MESENTEROIDES | 2FC65L33PK | structurallyDiverse |
| LEUCONOSTOC MESENTEROIDES CREMORIS | GCM5WR286M | structurallyDiverse |
| LEUCONOSTOC/RADISH ROOT FERMENT FILTRATE | D2QHA03458 | protein |
| LEUCONOTIS EUGENIIFOLIA WHOLE | 669606B8XD | structurallyDiverse |
| LEUCOPHOLIOTA DECOROSA FRUITING BODY | KB48Q768XF | structurallyDiverse |
| LEUCOPHOLIOTA DECOROSA WHOLE | 7OVM41ZW3F | structurallyDiverse |
| LEUCOPTERIN | 54RIE2BQ10 | chemical |
| LEUCOSPHAERA BAINESII WHOLE | 3KRN003T2Z | structurallyDiverse |
| LEUCOTHOE AXILLARIS WHOLE | 0846GO0C64 | structurallyDiverse |
| LEUCOTHOL B | CR4C23ENJ8 | chemical |
| LEUCOVORIN | Q573I9DVLP | chemical |
| LEUCOVORIN CALCIUM | RPR1R4C0P4 | chemical |
| LEUCOVORIN CALCIUM PENTAHYDRATE | R3W57OBQ5W | chemical |
| LEUCOVORIN MONOSODIUM | DR33Q67R37 | chemical |
| LEUCOVORIN SODIUM | 4MXU9LJS4Q | chemical |
| LEUCROSE | YAC4299ISI | chemical |
| LEUCYL-CYSTINYL AMINOPEPTIDASE | ZNE6K0IY4A | protein |
| LEUCYLALANINE | M5Z5KX9GYZ | chemical |
| LEUKEMIA INHIBITORY FACTOR | 9LN7HV55R1 | protein |
| LEUKEMIA INHIBITORY FACTOR RECEPTOR | 3I9J73C5PT | protein |
| LEUKOCYTE ANTIGEN CD37 | VTD13G7FDK | protein |
| LEUKOCYTE IMMUNOGLOBULIN-LIKE RECEPTOR SUBFAMILY B MEMBER 1 | N87VJ6U3GZ | protein |
| LEUKOCYTE IMMUNOGLOBULIN-LIKE RECEPTOR SUBFAMILY B MEMBER 2 | FHZ2SJR447 | protein |
| LEUKOCYTE IMMUNOGLOBULIN-LIKE RECEPTOR SUBFAMILY B MEMBER 4 | D2EH4E7VJD | protein |
| LEUKOCYTE SURFACE ANTIGEN CD47 | 90DHW5TM9S | protein |
| LEUKOCYTE TYROSINE KINASE RECEPTOR | 6P6Y82PIL1 | protein |
| LEUKOCYTE-ASSOCIATED IMMUNOGLOBULIN-LIKE RECEPTOR 1 | HZ7L6670NE | protein |
| LEUKOCYTE-ASSOCIATED IMMUNOGLOBULIN-LIKE RECEPTOR 2 | 8FGP4A91T9 | protein |
| LEUKOCYTE-PLATELET RICH FIBRIN | GYA4K5K9DN | structurallyDiverse |
| LEUKOCYTE-PLATELET RICH PLASMA | K32NG2AM8Y | structurallyDiverse |
| LEUKOTOXIN A | B7DVK288UM | chemical |
| LEUKOTRIENE A-4 HYDROLASE | V38765PUZ6 | protein |
| LEUKOTRIENE A4 | 7Y7MPZ6563 | chemical |
| LEUKOTRIENE B4 | 1HGW4DR56D | chemical |
| LEUKOTRIENE B4 RECEPTOR 1 | J5FGX1HMO8 | protein |
| LEUKOTRIENE B4 RECEPTOR 2 | 6YM3LQP2WR | protein |
| LEUKOTRIENE C4 | 2CU6TT9V48 | chemical |
| LEUKOTRIENE C4 SYNTHASE | 0JI4UW3F9M | protein |
| LEUKOTRIENE D4 | 5FNY4416UE | chemical |
| LEUKOTRIENE E4 | 8EYT8ATL7G | chemical |
| LEUPEPTIN | J97339NR3V | chemical |
| LEUPEPTIN HEMISULFATE ANHYDROUS | 05V9Y5208M | chemical |
| LEUPEPTIN HEMISULFATE MONOHYDRATE | P4TZ8HY7S7 | chemical |
| LEUPROLIDE (1-3) | 7OI82E72DN | chemical |