{HEAD ~ A multireactive polymerizable mesogenic compound} 1, wherein R2 is {TAIL ~ a group} of one of the following formulae 
{ HEAD ~ A multireactive polymerizable mesogenic compound } 1 , wherein R2 is { TAIL ~ a group } of one of the following formulae
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH