Α-L-谷氨酰-L-谷氨酸

Nα-甘氨酰-L-天冬酰胺酸

Gly-His

H-SER-PRO-OH

H-GLU-ASP-OH

H-THR-SER-OH

H-GLY-HYP-OH

H-HIS-ASP-OH

Normoftal is (Gamma-L-Glutamyl)-L-Lysine

净味肽 乙酰基四肽-2