{HEAD ~ Isothiazoles} having {TAIL ~ a 3 amino 2 OR propoxy or propyl substituent} and their pharmaceutical use 
having
{ HEAD ~ Isothiazoles } having { TAIL ~ a 3 amino 2 OR propoxy or propyl substituent } and their pharmaceutical use
HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH