Saxagliptin361442-04-8100 % similar Saxagliptin hydrate945667-22-194 % similar Vildagliptin274901-16-539 % similar (αS)-Α[[(1,1-Dimethylethoxy)carbonyl]amino]-3-hydroxytricyclo[3.3.1.13,7]decane-1-acetic acid361442-00-432 % similar 3-Amino-1-adamantanol702-82-931 % similar 2-(3-Hydroxy-1-adamantyl)-2-oxoacetic acid709031-28-731 % similar