The compounds of this invention wherein R is NCS can be attached to {TAIL ~ a biomolecule} through {HEAD ~ an amine group} on the latter 
The compounds of this invention wherein R is NCS can be attached to { TAIL ~ a biomolecule } through { HEAD ~ an amine group } on the latter
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH