PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7198474-2 1981 administration of 14C-labelled rac.-1-(e)-(m-methoxyphenyl)-2-(e)-dimethylaminomethyl-cyclohexan-1-(a)-ol hydrochloride (tramadol hydrochloride, CG 315, Tramal) to mice, hamsters, rats, guinea pigs, rabbits, dogs and man the metabolic pathways were investigated and the results compared. cysteinylglycine 145-147 Rac family small GTPase 1 Mus musculus 31-37