Oxidized sulfur derivatives of {HEAD ~ diaminophosphinyl compounds} as urease inhibitors and {TAIL ~ urease inhibited urea based fertilizer compositions} 
as
Oxidized sulfur derivatives of { HEAD ~ diaminophosphinyl compounds } as urease inhibitors and { TAIL ~ urease inhibited urea based fertilizer compositions }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL