AG142015: β-D-GalNAc-Butyl-Carboxylic Acid (Peracetate)1159408 54 4 D GalNAc(Ac)3 C4 COOH; D GalNAc(Ac)3 Butyl COOH; 4 Carboxybutyl 2 acetamido 3,4,6 tri O acetyl 2 deoxy D galactopyranoside; 4 Carboxybutyl N acetyl D galactosaminide (Peracetate); 5 {[(2R,3R,4R,5R,6R) 4,5 bis(acetyloxy) 6 [(acetyloxy)methyl] 3 acetamidooxan 2 yl]oxy}pentanoic acid; 5 [(2 Acetamido 3,4,6 tri O acetyl 2 deoxy D galactopyranosyl)oxy]pentanoic acid