2-hydroxy-2,3,3,5,5-pentamethylcyclopentan-1-one

7-methoxy-4-methyl-8-nitrochromen-2-one

1-(3-methylselanylphenyl)ethanone

[2-(dimethylcarbamoyloxy)phenyl]-trimethylazanium,bromide

Ammonium, pentamethylenebis(diethylmethyl-), dibromide