2.6.1.117 0.38 - 4-(methylsulfanyl)-2-oxobutanoate pH 7.5, 25°C 755020 2.6.1.117 1.61 - 4-(methylsulfanyl)-2-oxobutanoate pH 7.5, 25°C 755020 2.6.1.117 3.73 - 4-(methylsulfanyl)-2-oxobutanoate pH 7.5, 37°C 755020