| 53-21-4 | COCAINE HYDROCHLORIDE | C17H22ClNO4 |
| 53-39-4 | Oxandrolone | C19H30O3 |
| 53-43-0 | Dehydroepiandrosterone | C19H28O2 |
| 53-86-1 | Indometacin | C19H16ClNO4 |
| 53-84-9 | beta-Diphosphopyridine nucleotide | C21H27N7O14P2 |
| 53-41-8 | Androsterone | C19H30O2 |
| 53-33-8 | Paramethasone | C22H29FO5 |
| 53-94-1 | N-Hydroxy-2-aminofluorene | C13H11 N O |
| 53-03-2 | Prednisone | C21H26O5 |
| 53-45-2 | 3-DEOXYESTRONE | C18H22 O |
| 53-46-3 | METHANTHELINE BROMIDE (200 MG) | C21H26 N O3 . Br |
| 53-59-8 | Triphosphopyridine nucleotide | C21H28 N7 O17 P3 |
| 53-34-9 | Fluprednisolone | C21H27FO5 |
| 53-02-1 | TETRAHYDROCORTISOL | C21H34 O5 |
| 53-10-1 | HYDROXYDIONESODIUM | C25H36 O6 . Na |
| 53-18-9 | bietaserpine | C39H53 N3 O9 |
| 53-31-6 | medibazine | C25H26 N2 O2 |
| 53-35-0 | 6 beta-hydroxycortisol | C21H30 O6 |
| 53-42-9 | Etiocholanone | C19H30O2 |
| 53-60-1 | Promazine hydrochloride | C17H20N2S.HCl |
| 53-63-4 | 17-desoxyestradiol | C18H24 O |
| 53-73-6 | ASN-ARG-VAL-TYR-VAL-HIS-PRO-PHE | C49H70 N14 O11 |
| 53-75-8 | angiotensin II, Asp(1)-Val(5)- | C49H69 N13 O12 |
| 53-83-8 | 6-thioinosine 5'-monophosphate | C10H13 N4 O7 P S |
| 53-89-4 | benzpiperylone | C22H25 N3 O |
| 53-95-2 | Hydroxyacetylaminofluorene | C15H13 N O2 |
| 53-96-3 | 2-ACETAMIDOFLUORENE | C15H13 N O |