1-(2-furyl)-4,4-dimethyl-2-pentanone

1-(furan-2-yl)-4,4-dimethylpentan-2-one

1,1,2,3-tetramethylindene

1,1,3,3-Tetramethyl-indan-2-selenol

t-butyl 1,1,3,3-tetramethyl-2-indanyl selenide