PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7686498-6 1993 In contrast, 12-O-tetradecanoylphorbol 13-acetate reduced tyrosinase activity and eumelanin synthesis. Tetradecanoylphorbol Acetate 13-49 tyrosinase Mus musculus 58-68