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smiles:CCN1C2=C(C(=O)N(C1=O)C)NC=N2
Read as SMILES
read as SMILES
C
0
C
1
N
2
C
3
C
4
C
5
O
6
N
7
C
8
O
9
C
10
N
11
H
C
12
N
13
Hydrogens
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Carbon labels
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Atom numbers
R/S labels
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