PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23604525-6 2013 Clomiphene, tamoxifen and toremifene were biotransformed to 22, 23 and 18 metabolites respectively, these phase I reactions being catalyzed mainly by CYP3A4 and CYP2D6 isoforms and, to a lesser degree, by CYP3A5, CYP2B6, CYP2C9, CYP2C19 isoforms. Clomiphene 0-10 cytochrome P450 family 2 subfamily B member 6 Homo sapiens 213-219