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: [O-][n+]1cccc(c1)C#Cc1cccc(c1)n1cc(C(=O)NC2CC2)c(=O)c2c1nccc2

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.