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: COC1=C(OC)C=CC(=c2c(N)c([nH]c(c2C)C(=O)O)c2ccc3c(n2)C(=O)C(=C(C3=O)OC)N)C1=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.