1-phenyl-1,2,4-pentatriene

(4-bromophenyl)-tris(prop-2-enyl)silane

2-phenylcyclohex-2-en-1-one

(2-phenylcyclopent-2-en-1-on-5-yl)acetic acid

1-oxido-2-prop-2-enylpyridin-1-ium