{TAIL ~ Examples} of {HEAD ~ these substituted acyl substituents} include alkylsulfonyl benzoyl, arysulfonylbenzoyl, halobenzoyl, cyanobenzoyl, nitrobenzoyl, and trifluoroalkylbenzoyl 
{ TAIL ~ Examples } of { HEAD ~ these substituted acyl substituents } include alkylsulfonyl benzoyl , arysulfonylbenzoyl , halobenzoyl , cyanobenzoyl , nitrobenzoyl , and trifluoroalkylbenzoyl
TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH