{TAIL ~ A 4,8 dimethylbicyclonona 2 yl alkyl ether} selected from {HEAD ~ the group} consisting of 
{ TAIL ~ A 4,8 dimethylbicyclonona 2 yl alkyl ether } selected from { HEAD ~ the group } consisting of
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH