although the chemical structure of dihydroteleocidin b is entirely different from those of phorbol esters , the tumor-promoting activity of dihydroteleocidin b was found to be comparable to that of 12-o-tetradecanoylphorbol 13-acetate ( tpa ) in vivo .
C0031586
phorbol esters
C0039654
12-o-tetradecanoylphorbol 13-acetate