Carbonic acid 4-nitro-phenyl ester 2-trimethylsilanylmethyl-allyl ester
[2-(acetoxymethyl)prop-2-enyl]trimethylsilane
ethyl 4-(hydroxymethyl)-2-(phenylselanyll)pent-4-enoate
ethyl 4-(hydroxymethyl)-2-(phenylsulfanyl)pent-4-enoate
2-phenyl-4-methylenetetrahydrofuran