... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > organic hydroxy compound > alcohol > secondary alcohol > prostaglandins E > prostaglandin E3

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > hydroxides > organic hydroxy compound > alcohol > secondary alcohol > prostaglandins E > prostaglandin E3

... > chemical entity > molecular entity > main group molecular entity > s-block molecular entity > hydrogen molecular entity > hydroxides > organic hydroxy compound > alcohol > secondary alcohol > prostaglandins E > prostaglandin E3

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > oxygen molecular entity > hydroxides > organic hydroxy compound > alcohol > secondary alcohol > prostaglandins E > prostaglandin E3

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > oxygen molecular entity > organooxygen compound > carbonyl compound > ketone > cyclic ketone > prostaglandins E > prostaglandin E3

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > organochalcogen compound > organooxygen compound > carbonyl compound > ketone > cyclic ketone > prostaglandins E > prostaglandin E3

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > heteroorganic entity > organochalcogen compound > organooxygen compound > carbonyl compound > ketone > cyclic ketone > prostaglandins E > prostaglandin E3

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > organic molecule > organic oxo compound > carbonyl compound > ketone > cyclic ketone > prostaglandins E > prostaglandin E3

... > chemical entity > molecular entity > polyatomic entity > molecule > organic molecule > organic oxo compound > carbonyl compound > ketone > cyclic ketone > prostaglandins E > prostaglandin E3

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > lipid > fatty acid derivative > icosanoid > prostanoid > prostaglandin > prostaglandins E > prostaglandin E3