17355-22-5

NSC 339922 VAL-TYR-VAL L-VAL-TYR-VAL H-VAL-TYR-VAL H-VAL-TYR-VAL-OH Valyltyrosylvaline Entecavir Impurity 134 Val-Tyr-Val crystalline H-Val-Tyr-Val crystalline L-Valyl-L-tyrosyl-L-valine L-Valine, L-valyl-L-tyrosyl- 2-[[2-[(2-amino-3-methylbutanoyl)amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-methylbutanoic acid (S)-2-((S)-2-((S)-2-AMino-3-MethylbutanaMido)-3-(4-hydroxyphenyl)propanaMido)-3-Methylbutanoic acid