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3 |
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3
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O
||
O CH2 O C R1
|| |
R2 C O CH O
| ||
CH2 O C R3
H2O H2O
R1COOH R3COOH
O
||
O CH2OH O CH2 O C R1
|| | || |
R2 C O CH O R2 C O CH
| || |
CH2 O C R3 CH2OH
H2O H2O
R3COOH R1COOH
CH2OH O
| ||
CH O C R2
|
CH2OH
2-
H2O
R2COOH
CH2OH
|
CHOH
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