iso-α-cyclopiazonic acid

1-(4-methylphenyl)sulfonylindole-4-carbaldehyde

4-[2-(2-methyl-1,3-dioxolan-2-yl)ethyl]-1H-indole

4-(2-(2-methyl-1,3-dioxolan-2-yl)ethyl)-1H-indole-3-carbaldehyde

(Z)-2-Acetylamino-3-{4-[2-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-1H-indol-3-yl}-acrylic acid ethyl ester