20936 P4210136

tautomeria -> epimery

nj@

HO-

H-

H-

Ć-H

I

C-OH

I

C-OH

I

ch₂oh

en-di-ol

••• •••» • ••

• ••

H P

f

i C OH

HO

H

W,

T

HO C

T

C OH

C OH I

ch₂oh

_

C OH

ch₂oh

ch₂oh

HO

H

C H C OH

C OH CH₂OH