The chemical with the SMILES COc1ccc2c(C)c(C)c(=O)oc2c1C 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}.
COc1ccc2c(C)c(C)c(=O)oc2c1C
COc1ccc2c(C)c(C)c(=O)oc2c1C
7-methoxy-3,4,8-trimethylchromen-2-one