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Practice naming
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smiles:CC1=NC2=C(N1C)C(=O)N(C(=O)N2)C
Read as SMILES
read as SMILES
C
0
C
1
N
2
C
3
C
4
N
5
C
6
C
7
O
8
N
9
C
10
O
11
N
12
H
C
13
Hydrogens
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Carbon labels
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Atom numbers
R/S labels
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