in contrast , the imidazole drugs having the imidazole ring fused to a benezene ring , i.e . benzimidazoles ( astemizole , mebendazole , thiabendazole ) and those having an aliphatic side chain on the n-1 of the imidazole ring ( carbimazole , metronidazole , nimorazole , tinidazole ) did not inhibit 17 alpha-hydroxylase , 3 beta-hsd-i or 17 beta-hsor enzyme activities .
C0005050
benzimidazoles
C0025023
mebendazole