{TAIL ~ The compound} 4, wherein {HEAD ~ R3} is 5 methylisoxazol 3 yl and T is a covalent bond, namely 2 5 tetrahydrofuran 3,4 diol 
{ TAIL ~ The compound } 4 , wherein { HEAD ~ R3 } is 5 methylisoxazol 3 yl and T is a covalent bond , namely 2 5 tetrahydrofuran 3,4 diol
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH