PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23994323-1 2013 The aim of this study was to determine the cytotoxic effect of human cancer cells on three series of novel dehydroepiandrosterone derivatives containing triazole or pyrazole rings at C-17 and an ester moiety at C-3 of the androstane skeleton. androstane 222-232 complement C3 Homo sapiens 211-214 26780831-1 2016 In the present study, a series of steroidal tetrazole derivatives of androstane and pregnane have been prepared in which the tetrazole moiety was appended at C-3 and 17a-aza locations. androstane 69-79 complement C3 Homo sapiens 158-161