6, 6-Bis(2-methoxyethoxy)oxiran-11-yl-2, 5, 10-trioxa-6-silaundecane

6, 6-Di-O-maltosyl-beta-cyclodextrin

6, 6-Dibromoindigo

6, 6-Dibromopenicillanic acid

6, 6-Dibromopenicillanic acid sulfone

6, 6-Diethoxy-2, 5, 7, 10-tetraoxa-6-silaundecane

6, 6-Difluoro-1-(3-hydroxyoctyl)-3-oxo-bicyclo(3.1.0)hexane-2-heptanoic acid, (1alpha(R*), 2beta, 5alpha)-

6, 6-Difluoro-11, 17-dihydroxy-16-methyl-21-(3-(methylsulfinyl)-1-oxopropoxy)-pregna-1, 4-diene-3, 20-dione, (11beta, 16alpha)-

6, 6-Difluorocholestanol

6, 6-Difluorospermidine

6, 6-Difluorospermine

6, 6-Dimethoxy-2-methylhex-2-ene

6, 6-Dimethyl-2, 5, 10-undecanetrione

6, 6-Dimethyl-2, 5, 7, 10-tetraoxa-6-silaundecane

6, 6-Dimethyl-2-erythrofuranosyl-4, 5, 6, 7-tetrahydroindol-4-one

6, 6-Dimethyl-3, 4-undecadiene-2, 10-dione

6, 6-Dimethyl-5, 7-dioxaspiro(2.5)octane-4, 8-dione

6, 6-Dimethyl-5-phenyl-5, 6-dihydrofuro(2, 3-d)pyrimidin-4-amine

6, 6-Dimethyl-alpha-propylbicyclo(3.1.1)heptane-2-propanol

6, 6-Dimethylbicyclo(3.1.1)hept-2-ene-2-carboxylic acid