Syntheses and Biological Activity of 5-( 1 ,2-Dihydro-5- acenaphthylenyl)-4, 5-dihydro-3-phenyl-1 H - pyrazole and 4-[( 1,2-Dihydro-5-acenaphthylenyl)azo]-3,5- dimethyl-1 H-pyrazole and related Systems - FREDDY H. HAVALDAR (1988)