Di methyl derivative of {TAIL ~ WS7622A substance}, {HEAD ~ physico chemical properties} of which are as follows: 
of
Di methyl derivative of { TAIL ~ WS7622A substance } , { HEAD ~ physico chemical properties } of which are as follows :
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH