in rat hepatocytes , the phorbol esters , 12-o-tetradecanoylphorbol-13-acetate and phorbol-12,13-dibutyrate , stimulated the 27-kda protein phosphorylation , whereas 4 alpha-phorbol-12,13-didecanoate did not .
C0031586
phorbol esters
C0039654
12-o-tetradecanoylphorbol-13-acetate