[5-L-aspartic acid] desmopressin; [Asp5] Desmopressin acetate salt,2-((4R,7S,10S,13S,16S)-4-((S)-2-(((R)-1-((2-amino-2-oxoethyl)amino)-5-guanidino-1-oxopentan-2-yl)carbamoyl)pyrrolidine-1-carbonyl)-10-(3-amino-3-oxopropyl)-13-benzyl-16-(4-hydroxybenzyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosan-7-yl)acetic acid compound with acetic acid,Desmopressin Impurity