2,5-dimethylhex-4-en-3-one

1,2-diphenylacenaphthylene

2-methyl-5-phenyl-1,3,4-oxadiazole

5,5-dimethyl-3-phenyl-1,4,2-dioxazole

ethyl 3-methyl-2-propan-2-ylbut-2-enoate