SEARCH Articles Figures Tables 4- Amino-1 -substituted imidazoles acetylation Acetyl substituted lactone Acetyl-o-toluidine substituted, conversion to indoles Acetyl-substituted Acetyl-substituted Amino acetyl substituted Diversely Substituted Acetyl Groups Isothiazoles, acetyl 4- substituted Polysaccharides acetyl-substituted Substitution by acetyl Thiophenes, acetyl nucleophilic substitution