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H
C
N
O
S
P
F
Cl
Br
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6
O
P
O
H
O
O
-
O
P
O
H
O
O
-
O
P
O
H
O
O
-
O
P
O
H
O
O
-
O
P
O
H
O
O
-
O
P
O
-
O
O
H
Na
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Na
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Na
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Na
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Na
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Na
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[Chiral]
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