on the basis of its r ( f ) values on thin-layer chromatography , its reduction to prostaglandin f ( 1alpha ) with stannous chloride , and the decomposition to prostaglandins f ( 1alpha ) , e ( 1 ) , and d ( 1 ) at room temperature , the unstable intermediate was tentatively identified to be the 9,11-endoperoxide derivative , referred to previously as prostaglandin r ( 1 ) ( nugteren et al . ( 1973 ) biochim . biophys . acta 326 , 448-461 ) or prostaglandin h ( 1 ) ( hamberg et al . ( 1974 ) proc . nat . acad . sci . usa 71 , 345-349 ) .
C0033561
prostaglandins
C0033554
prostaglandin