| 6990-43-8 | zinc O,O,O',O'-tetrabutyl bis(phosphorodithioate) | C16H36 O4 P2 S4 Zn |
| 6990-12-1 | Azuleno[6,5-b]furan-2,6(3H,4H)-dione,3a,7,9,9a-tetrahydro-3,5,8-trimethyl-, (3R,3aR,9aR)- | C15H18 O3 |
| 6990-27-8 | BROMOBIS(DIMETHYLAMINO)BORANE 97 | C4H12 B Br N2 |
| 6990-64-3 | Silane, bromotriphenyl- | C18H15BrSi |