3.4.19.3 2.7 - L-2-oxoimidazolidine-4-carboxyl-L-Ala 37°C, pH 7.4 667883 3.4.19.3 3.2 - L-2-oxothiazolidine-4-carboxyl-L-2-aminopropylnitrate 37°C, pH 7.4 667883 3.4.19.3 3.2 - L-pyroglutamyl-L-Ala 37°C, pH 7.4 667883 3.4.19.3 3.4 - L-2-oxothiazolidine-4-carboxyl-L-Ala 37°C, pH 7.4 667883 3.4.19.3 3.5 - L-pyroglutamyl-aminoethylnitrate 37°C, pH 7.4 667883 3.4.19.3 3.5 - pyroglutamic acid-7-amido-4-methylcoumarin - 681896 3.4.19.3 3.6 - L-2-oxoimidazolidine-4-carboxyl-L-Ala 37°C, pH 7.4 667883 3.4.19.3 3.7 - L-pyroglutamyl-L-Ala 37°C, pH 7.4 667883 3.4.19.3 6.4 - L-2-oxooxazolidine-4-carboxyl-L-Ala 37°C, pH 7.4 667883 3.4.19.3 6.6 - L-2-oxooxazolidine-4-carboxyl-L-Ala 37°C, pH 7.4 667883