6'-Guanidinonaltrindole Ditrifluoroacetate

6',7'-dichloro-1',2'-dihydrospiro([1,3]dioxane-2,3'-indole)-2'-one

6'-amino-3'-methyl-2-oxo-1,2-dihydro-1'H-spiro[indole-3,4'-pyrano[2,3-c]pyrazole]-5'-carbonitrile

6'-fluoro-2'-methyl-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one

6'-(Trifluoromethyl)-4',9'-dihydro-1'H-spiro[cyclohexane-1,2'-pyrido[3,2-g]quinolin]-8'(3'H)-one

6'-fluorospiro[cyclopentane-1,3'-indolin]-2'-one

6'-epifortimicin A