p. 2389 - 2394
(2007/10/02)N-Butyryl-O-benzyl-L-tyrosine-spermineamide
(S)-2-Amino-3-(4-benzyloxy-phenyl)-propionic acid 4-nitro-phenyl ester
N-(tert-butyloxycarbonyl)-O-(phenylmethyl)-L-tyrosine 4-nitrophenol ester
O-benzyl-N-tert-butoxycarbonyl-L-tyrosine
philanthotoxin-343