2-methyl-4-methylene-2-phenyltetrahydrofuran

methyl 3-(2-(2-methylallyl)phenyl)-3-oxopropanoate

methyl 3-(2-(2-methylprop-1-enyl)phenyl)-3-oxopropanoate

1,4-二氢-1,4-环氧萘

2,4,4-trimethyl-1,4,4a,7-tetrahydro-naphthalene