W>’
hBij
pillKl
■ B—(CHafa—C—NHj> + HzN—R
-i B—(CH2)2~C—NH—R ♦ NH3 I
ŁeEH3Baeee^J|
J
b—(CH2),-c—nh2 ♦ h2n—(ch2)4 b
o
• B—(CHj)*—C—NH—(CH2)«—B 1
♦ NHj
H
■U