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smiles:C1=C(C=C(C=C1N)N=C(N)N)C(=O)O
Read as SMILES
read as SMILES
0
1
2
3
4
5
N
6
2
H
N
7
8
N
9
2
H
N
10
2
H
11
O
12
O
13
H
Hydrogens
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Atom numbers
R/S labels
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