2,5-二氢呋喃

N-(fluoren-9-ylideneamino)fluoren-9-imine

1,4-anhydro-2-O-(9-fluorenyl)-DL-erythritol

2,2'-氧基二乙醛

N-[bis(4-methylphenyl)methylideneamino]-1,1-bis(4-methylphenyl)methanimine