prov:value
| - In FIGS. 2-5, (C5H5-x-yRx), (C5H4-xRx), R, R???, J, T, M, Q, x, y & z are as previously defined; H is hydrogen; A is a Group 1 metal such as Li or K, or a Grignard reagent such as MgCl or MgBr; each X??? is independently a halogen, especially Cl and Br, or X as previously described, provided that at least two X??? are halogen and that X??? is halogen when bonded to T; each X??? is independently an
|