105441-21-2 3-(((2-Oxotetrahydro-3-thienyl)amino)carbonyl)bicyclo(2.2.1)hept-5-ene-2-carboxylic acid 3-((N-(Tetrahydro-2-oxo-3-thienyl)amino)-carbonyl)bicyclo(2,2,1)-hept-5-ene-2-carboxylic acid Bicyclo(2.2.1)hept-5-ene-2-carboxylic acid, 3-(((2-oxotetrahydro-3-thienyl)amino)carbonyl)- CHF 1203