3',5'-Di-O-acetyl O6-Benzyl-2'-deoxyguanosine
N,N'-Diacetyl-L-cystine Bis(tert-Butyl) Diester
2',3'-Di-O-acetyl-5'-deoxy-5-fluoro-N-[(3-methylbutoxy)carbonyl]cytidine
4',5-Di-O-acetyl-7-O-tert-butyldimethylsilyl Genistein
3,4-Di-O-acetyl-1,2-O-isopropylidene-5-O-tosyl-a-L-sorbose
N,N'-Diacetyl-3,6,3',4',6'-penta-O-acetyl-1-chlorochitobioside
Di-O-acetyl-D-tartaric Anhydride
1,6-Di-O-acetyl-2,3,4-tri-O-benzyl-a,b-D-glucopyranose
1,6-Di-O-acetyl-2,3,4-tri-O-benzyl-a-D-mannopyranose
3,6-Diamino-9(10H)-acridone