From August 18th 2026, GtoPdb will require users to register to use the website. Please see our blog post for more information.

Chemical structure search

Input SMILES: OC1=CC(=c2o[nH]c(n2)c2c(C)c(Cl)c([n+](c2Cl)[O-])C)C=C(C1=O)[N+](=O)[O-]

Using Ketcher 3.12.0 under Apache License 2.0

Choose type of search to perform: 


Limit results by chemical class: 


To return all relevant hits please ensure that your input structure does not include chiral specification.