(E)-N,N'-dimethyl-5-hydroxy-5-(4-methoxy-1,1,4,4-tetramethyl-2-butenyl)hydantoin

2,2,5-trimethylhex-3-ene

2,4,5-trimethyl-hex-2-ene

2,2-dichloro-3,3-dimethyl-4-(2-methylprop-1-enyl)cyclobutan-1-one

2,2-dichloro-4,4-dimethyl-3-(2-methylprop-1-enyl)cyclobutan-1-one