SYNTHETIC COMMUNICATIONS, 20( 11) , 1671-1679 (1990) ... 2. termed rooperol.2 is effective against various strains of cancer cells in in vivo tests.3 In this communication we report on ... 6.08 arid 6.28 (lH, dt, 35.4, 15.7 Hz, &HI, and 6.59-7.40 (10H,m, ArH, 5-HI; 6 (20 MHz) 23.04 ...