And estrone is one of {HEAD ~ important female hormones} and is a useful substance as an intermediate to medicines for the therapy of {TAIL ~ prostatic hypertrophy} and other steroid type medicines 
And estrone is one of { HEAD ~ important female hormones } and is a useful substance as an intermediate to medicines for the therapy of { TAIL ~ prostatic hypertrophy } and other steroid type medicines
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH