orgchem
type anything, see the structure
Practice naming
Draw
smiles:CC1=NC2=C(C(=O)N1)N=CN2CCO
Read as SMILES
read as SMILES
0
1
N
2
3
4
5
O
6
N
7
N
8
9
N
10
11
12
O
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
Download SVG