3.5.2.16	4.5	8.5	different pH profile for cyclic ureide and cyclic imide hydrolysis	209267	
3.5.2.16	7.5	8.5	shifts to more acidic pH at higher temperatures	209266	
3.5.2.16	7.5	9.5	optimal pH correlates with pKa of the substrates amide proton	209268