{HEAD ~ The particular dosage} of a compound of formula I required to inhibit male infertility according to this invention will depend upon the severity of the condition, {TAIL ~ the route} of administration, and related factors that will be decided by the attending physician 
depend upon
{ HEAD ~ The particular dosage } of a compound of formula I required to inhibit male infertility according to this invention will depend upon the severity of the condition , { TAIL ~ the route } of administration , and related factors that will be decided by the attending physician
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH