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