11-(2-((8-Quinolylsulfonyl)amino)ethyl)thio-6,11-dihydrodibenz(b,e)oxepin-2-carboxylic acid 123226-84-6 Dibenz(b,e)oxepin-2-carboxylic acid, 6,11-dihydro-11-((2-((8-quinolinysulfonyl)amino)ethyl)thio)-