pitipeptolide E

Z-L-Phe-L-Val-NH2

Fmoc-L-缬氨酸

(3R,6S)-3-methyl-6-propan-2-ylpiperazine-2,5-dione

(R)-N,N’-双对甲氧苄基-3-异丙基哌嗪-2,5-二酮