hexabenzylenantioentertobactin

2,3-dibenzyloxybenzoyl-L-serine

(S)-2-(2,3-Bis-benzyloxy-benzoylamino)-3-tert-butoxycarbonylamino-propionic acid 4-bromo-benzyl ester

(S)-3-Amino-2-(2,3-bis-benzyloxy-benzoylamino)-propionic acid 4-bromo-benzyl ester; hydrochloride