L 368845; 1-(((7,7-dimethyl-2-endo-(2(S)-((-tert-butyloxycarbonyl)amino)-4-(methylsulfonyl)butyramido)bicyclo<2.2.1>heptan-1-yl)methyl)sulfonyl)-4-(2-methylphenyl)piperazine; 1-{[(7,7-dimethyl-2-endo-{2
(S)-[(-tert-butyloxycarbonyl)amino]-4-(methylsulfonyl)butyramido}bicyclo[2.2.1]heptan-1-yl)methyl]sulfonyl}-4-(2-methylphenyl)piperazine