2-Bromo-3-methyl-1H-indole

(3R)-3-hydroxy-3-methyl-1H-indol-2-one

3-acetoxy-3-methyloxindole

3-methyl-3-(3-methylindol-2-yl)-2,3-dihydro-1H-indol-2-one

11b,11c-dimethyl-5,5a,6a,7,11b,11c-hexahydrofuro[2,3-b:5,4-b']diindole