Selective inhibition of thrombin by (2R,4R)-4-methyl-1 [N2-[(3-methy 1-1,2,3,4-tetrahydro-8-quinoliny 1) sulfonyl]-L-arginyl)]-2-piperidinecarboxylic acid - Kikumoto, R; Tamao, Y; Tesuka, T; Tonomura, S; Hara, H; Ninomiya, K; Hijikata, A; Okamoto, S (Biochemistry, 1984)