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carbon #5carbon #5

D-galactoseL-galactose

C

H

O

OHH

HHO

HO HHO H

CH 2OH

C

H

O

OHH

HHO

HO HH OH

CH 2OH

C

H

O

OHH

HHO

H OH

H OH

CH 2OH

C

H

O

OHH

HHO

H OH

HO H

CH 2OH

L-glucose D-glucose

CH 2OH

C O

HHO

H OH

H OH

CH 2OH

D-fructoseL-fructose

CH 2OH

C OHHO

H OH

HO H

CH 2OH

OCH 2OH

HH

OH

HO

HOH

H

HO

HOCH 2OH

H

HO

HOH

H

HO

H OH

H

-D-glucose -D-glucose

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O

HO

OH

HOH 2C

HH

H

OH

CH2OH

CH 2OH

C O

OHH

H OH

H OHCH 2OH

carbon 1

carbon 2

carbon 3carbon 4

carbon 5

carbon 6

O

HO

OH

HOH 2C

H H

H

OH

CH 2OH

O

HO

OH

HOH 2C

HH

H

CH 2OH

OH

O

H

OH

HOH 2C

HH

OH

OH

H

H

C O

OHH

H OH

H OH

CH 2OH

O

H

OH

HOH 2C

HH

OH

OH

H

O

H

OH

HOH 2C

HH

OH

H

OH

-D-fructose -D-fructose

D-fructoseD-fructose

-D-ribose -D-ribose

D-ribose

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