甘氨酰-甘氨酰-甘氨酸

leucyl=>glycyl=>glycyl=>glycine

双甘肽

ethyl perfluoro(3-methyl-2-oxobutyrate)

3,4-dicyano-1,6-dimethyl-2,5-diaza-7,8-dioxabicyclo[4.2.1]non-3-ene