orgchem
type anything, see the structure
Practice naming
Draw
smiles:CCN1C2=CC(=O)NC(=C2C(=N1)N)O
Read as SMILES
read as SMILES
C
0
C
1
N
2
C
3
C
4
C
5
O
6
N
7
H
C
8
C
9
C
10
N
11
N
12
2
H
O
13
H
Hydrogens
✓
Carbon labels
✓
Atom numbers
R/S labels
Download SVG