2,6-Nonadienamide, 9-(3,3-dimethyloxiranyl)-N-ethyl-3,7-dimethyl- 32795-74-7 Crd 9499 Epoxy-N-ethyl-3,7,11-trimethyl dodecadienamide Fmc 23509 Fmc-23509 Juvenile hormone analog fmc 23509