M00101  Cholesterol biosynthesis, FPP => cholesterol
       M00102  Ergocalciferol biosynthesis, FPP => ergosterol/ergocalciferol
       M00917  Phytosterol biosynthesis, squalene 2,3-epoxide => campesterol/sitosterol
       M00103  Cholecalciferol biosynthesis
       M00104  Bile acid biosynthesis, cholesterol => cholate/chenodeoxycholate
       M00106  Conjugated bile acid biosynthesis, cholate => taurocholate/glycocholate
       M00862  beta-Oxidation, peroxisome, tri/dihydroxycholestanoyl-CoA => choloyl/chenodeoxycholoyl-CoA
       M00107  Steroid hormone biosynthesis, cholesterol => pregnenolone => progesterone
       M00108  C21-Steroid hormone biosynthesis, progesterone => corticosterone/aldosterone
       M00109  C21-Steroid hormone biosynthesis, progesterone => cortisol/cortisone
       M00110  C19/C18-Steroid hormone biosynthesis, pregnenolone => androstenedione => estrone
       M00976  C19-Steroid hormone biosynthesis, pregnenolone => testosterone => dihydrotestosterone
       M00977  C19-Steroid hormone biosynthesis (androgen backdoor pathway), pregnenolone => androsterone => dihydrotestosterone