There is disclosed {HEAD ~ a novel 4,8 dimethylbicyclononane derivative} represented by {TAIL ~ the formula} : ##STR1## wherein X and Y have the same meanings as defined in the specification 
represented by
There is disclosed { HEAD ~ a novel 4,8 dimethylbicyclononane derivative } represented by { TAIL ~ the formula } : # # STR1 # # wherein X and Y have the same meanings as defined in the specification
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH