17-Benzoate-3-N-butyrate d'oestradiol [French] 3-09-00-00616 (Beilstein Handbook Reference) 63042-19-3 BRN 3178781 ESTRADIOL, 17-BENZOATE-3-n-BUTYRATE Estra-1,3,5(10)-triene-3,17-beta-diol, 17-benzoate-3-n-butyrate