O=C(Cc1cc(Cl)cc(OCCC(F)(F)F)c1)Nc1cncc2ccccc12
CCCOc1cc(Cl)cc(CC(=O)Nc2cncc3ccccc23)c1
O=C(Cc1cc(Cl)cc(OCC2CC2)c1)Nc1cncc2ccccc12
COCCOc1cc(Cl)cc(CC(=O)Nc2cncc3ccccc23)c1
O=C(Cc1cc(Cl)cc(OCc2ccccc2)c1)Nc1cncc2ccccc12
O=C(Cc1cc(Cl)cc(OCCc2ccccc2)c1)Nc1cncc2ccccc12
O=C(Cc1cc(Cl)cc(OCc2ccccc2Cl)c1)Nc1cncc2ccccc12
O=C(Cc1cc(Cl)cc(OCc2ccc(F)cc2Cl)c1)Nc1cncc2ccccc12
O=C(Cc1cc(Cl)c(F)c(OCc2ccc(F)cc2Cl)c1)Nc1cncc2ccccc12
O=C(Nc1cncc2ccccc12)C1CCOc2c(OCCC(F)(F)F)cc(Cl)cc21
O=C(Nc1cncc2ccccc12)C1CCNc2c(OCCC(F)(F)F)cc(Cl)cc21
CCCOc1cc(Cl)cc2c1OCCC2C(=O)Nc1cncc2ccccc12
CCCOc1cc(Cl)cc2c1NCCC2C(=O)Nc1cncc2ccccc12
O=C(Nc1cncc2ccccc12)C1CCNc2c(OCC3CC3)cc(Cl)cc21
O=C(Nc1cncc2ccccc12)C1CCOc2c(OCC3CC3)cc(Cl)cc21
COCCOc1cc(Cl)cc2c1NCCC2C(=O)Nc1cncc2ccccc12
COCCOc1cc(Cl)cc2c1OCCC2C(=O)Nc1cncc2ccccc12
O=C(Nc1cncc2ccccc12)C1CCNc2c(OCc3ccccc3)cc(Cl)cc21
O=C(Nc1cncc2ccccc12)C1CCOc2c(OCc3ccccc3)cc(Cl)cc21
O=C(Nc1cncc2ccccc12)C1CCOc2c(OCCc3ccccc3)cc(Cl)cc21
O=C(Nc1cncc2ccccc12)C1CCNc2c(OCCc3ccccc3)cc(Cl)cc21
O=C(Nc1cncc2ccccc12)C1CCOc2c(OCc3ccccc3Cl)cc(Cl)cc21
O=C(Nc1cncc2ccccc12)C1CCNc2c(OCc3ccccc3Cl)cc(Cl)cc21
O=C(Nc1cncc2ccccc12)C1CCOc2c(OCc3ccc(F)cc3Cl)cc(Cl)cc21
O=C(Nc1cncc2ccccc12)C1CCNc2c(OCc3ccc(F)cc3Cl)cc(Cl)cc21
O=C(Nc1cncc2ccccc12)C1CCOc2c1cc(Cl)c(F)c2OCc1ccc(F)cc1Cl
O=C(Nc1cncc2ccccc12)C1CCNc2c1cc(Cl)c(F)c2OCc1ccc(F)cc1Cl
Optimal S4 targeting moieties from FEP studies by Zhang et al https://pubs.acs.org/doi/10.1021/acscentsci.1c00039