1,1-diphenyl-1-hydroxymethylphosphonic acid

1-(二苯基亚甲基)-1H-茚

1,3,4-Oxathiazol-2-one, 5-(4-methylphenyl)-

2,2-diphenyl-4,5-di-p-tolyl-2,5-dihydrooxazole

1,1-diphenyl-N-[(triphenyl-$l^{5}-phosphanylidene)amino]methanimine