orgchem
type anything, see the structure
Practice naming
Draw
smiles:CCN1C(=O)NC2=CC(=NN2C1=O)C
Read as SMILES
read as SMILES
0
1
N
2
3
O
4
N
5
H
6
7
8
N
9
N
10
11
O
12
13
Hydrogens
Carbon labels
✓
Atom numbers
R/S labels
Download SVG