3-phenyl-5,6-dihydrobenz(c)acridine-7-carboxylic acids and relat

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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546 61, A61K 31435, C07D22118

Patent

active

049180770

ABSTRACT:
Dihydrobenz[c]acridine carboxylic acid derivatives are provided which are useful in treating tumors in mammals. These dihydrobenz[c]acridine carboxylic acid derivatives have the formula: ##STR1## or a pharmaceutically acceptable salt thereof, where R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are as defined in the specification. Also provided are pharmaceutical compositions of said compounds. In addition, processes for the preparation of these compounds are disclosed.

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