1,2-dihydro-1,4-diphenylphthalazine

1,2-二苯基苯

1-benzyl-1,2-dihydro-1,4-diphenylphthalazine

2-benzyl-1,4-diphenyl-1,2-dihydrophthalazine

1,2-dimethyl-1,2-dihydro-1,4-diphenylphthalazine