Reaction of 4-Bromo-2-pyrazolines with Fluorene: Synthesis of 9,9'-Bipyrazolinylfluorene.--(PADHY, A. K.; JAGGI, K.; LAK-SHMINARAYANA, U.; PANDA, C. S.; J. Indian Chem. Soc. 75 (1998) 2, 104-105; Dep. Chem., Berhampur Univ., Berhampur 760 007, India; EN)