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smiles:CN1CCOC2=NC=NC(=C2C1=O)N
Read as SMILES
read as SMILES
0
N
1
2
3
O
4
5
N
6
7
N
8
9
10
11
O
12
N
13
H
14
H
15
H
16
H
17
H
18
H
19
H
20
H
21
H
22
H
23
✓
Hydrogens
Carbon labels
✓
Atom numbers
R/S labels
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