| 1 | 983-01-7 | 2,4-Imidazolidinedione,3-[[(4-methylphenyl)amino]methyl]-5,5-diphenyl- | C23H21N3O2 | 371.43174 | | |
| 2 | 983-28-8 | NSC82871 | C22H33N3O3 | 387.52 | | |
| 3 | 983-30-2 | Estra-1,3,5(10)-triene-3,17-diol (17beta)-, 17-benzoate | C25H28O3 | 376.49 | | |
| 4 | 983-36-8 | 7,9-Dimethyl-9aH-quinolizine-1,2,3,4-tetracarboxylic acid tetramethyl ester | C19H21NO8 | 391.37 | | |
| 5 | 983-42-6 | BENPERIDOL | C22H25ClFN3O2 | 417.91 | | |
| 6 | 983-56-2 | 2-.alpha.-Methyldihydrotestosterone pyran-2-yl ether | C25H40O3 | | | |
| 7 | 983-79-9 | BENZOPHENONE AZINE | C26H20N2 | 360.45 | | |
| 8 | 983-80-2 | cis-vinylenebis[diphenylphosphine] | C26H22P2 | 396.4 | 122-124°C(lit.) | Insoluble in water. |
| 9 | 983-81-3 | trans-vinylenebis[diphenylphosphine] | C26H22P2 | 396.4 | 126-130°C(lit.) | |
| 10 | 983-85-7 | PENAMECILLIN | C19H22N2O6S | 406.45 | 106-108° | |
| 11 | 983-86-8 | Nafcillin Impurity | C20H20N2O5S | 400.45 | | |