The chemical with the SMILES O=C(c1c(O)oc2ccccc2c1=O)C1CCC1 is not an inhibitor of the EPH receptor A4.
The {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} {#representation of |!}{SMILES#} is {MUV-689#not &NULL}{MUV-689__names__noun}.
O=C(c1c(O)oc2ccccc2c1=O)C1CCC1
O=C(c1c(O)oc2ccccc2c1=O)C1CCC1
3-cyclobutylcarbonyl-2-oxidanyl-chromen-4-one