US9533973B2
University of Texas System
The invention claimed is: 1. A compound having the general formula of Formula I wherein, Y is —NH; Z is a linear or branched C 1 , C 2 , C 3 , or C 4 , alkyl; R 1 is hydroxy, or hydroxy substituted C 1-4 alkyl; R 2 is hydrogen, hydroxy, or hydroxy substituted C 1-4 alkyl; X is a linear, saturated C 10-15 alkyl;