1-methyl-1,1'-spirobi[2,1λ⁵-benzoxaphosphole]-3,3'-dione

3-(2-methylphenyl)quinoline

1-methyl-2-(methylsulfanylmethyl)benzene

螺(异苯并呋喃-1(3H),9'-氧杂蒽)-3-酮

联苯-2,3’-二羧酸