. Author manuscript; available in PMC: 2020 Feb 1.

Published in final edited form as: Bioorg Med Chem Lett. 2018 Dec 19;29(3):420–423. doi: 10.1016/j.bmcl.2018.12.030

Table 4.

After appending the phenolic amide, the best stimulators still required the cis-alkene at carbon nine.