The molecular species with the SMILES O=C1c2ccccc2OCOc2ccccc21 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=C1c2ccccc2OCOc2ccccc21
O=C1c2ccccc2OCOc2ccccc21
benzo[d][1,3]benzodioxocin-5-one