... ;1,3,5(10)-Oestratrien-3-ol-17-one;1,3,5-Oestratrien-3-ol-17-one;3-Hydroxy-1,3,5-(10)-oestratrien-17-one;3-Hydroxy-1,3,5(10 ... pharmaceutical intermediates is ethinyl estradiol 1.the product information Products name 1,3,5(10)-Estratrien-3-ol-17-one CAS NO 53-16 ... ;1,3,5(10)-Oestratrien-3-ol-17-one;1,3,5-Oestratrien-3-ol-17-one;3-Hydroxy-1,3,5-(10)-oestratrien-17-one;3-Hydroxy-1,3,5(10 ...