| abstract |
Potent tumor inhibitors are prepared which are compounds of the formula: ##STR1## wherein Q is CO, CH(OH) or C(OH)CH 3 , n M 1 is halogen, n M 2 is halogen or hydrogen, n c is one or two n p is 0 or 1, and n one of X and X' is H and the other is hydroxy-C 2-9 alkyl, methoxy-C 2-9 -alkyl, ethoxy-C 2-9 -alkyl, oxo-C 2-9 -alkyl, formyl-C 2-9 -alkyl, carboxy-C 2-9 -alkyl or (C 1-2 -alkyl)oxycarbonyl-C 2-9 -alkyl. |