4-benzyl-2,4,6-triphenyl-1,4-dihydropyridine

O-benzyl-N-(1-phenylethyl)hydroxylamine

9-hydroxy-9-(1'-hydroxy-1',2'-dibenzoylethyl-1')-4-azafluorene

1,5-diphenyl-2-chloro-3-selena-1,5-pentanedione

1-phenyl-4-(1,3-dioxolan-2-yl)butan-1-one N,N-dimethylhydrazone