orgchem
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smiles:CCN1C(=O)C2=C(N=CN2)N(C1=O)C
Read as SMILES
read as SMILES
0
1
N
2
3
O
4
5
6
N
7
8
N
9
H
N
10
11
O
12
13
Hydrogens
Carbon labels
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Atom numbers
R/S labels
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