(1-(cyclopenta-2,4-dien-1-ylidene)ethyl)benzene

2'-methylbiphenyl-2,3-dicarboxylic anhydride

5-(2-ethynylphenyl)-4-pentynal

1-甲氧基-4-((E)-苯乙烯基)-苯

c-3-(2'-methylphenyl)cyclohex-4-ene-r-1,c-2-dicarboxylic acid