{TAIL ~ The dried residue} is taken up in {HEAD ~ methylene chloride} and this contains compound II 
{ TAIL ~ The dried residue } is taken up in { HEAD ~ methylene chloride } and this contains compound II
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH