in the second approach , the iodination of a 17- ( 4-aminophenyl ) -18,19,20-trinorprostaglandin f2 alpha derivative delivered 17- ( 4-azido-3-iodophenyl ) -18,19,20-trinorprostaglandin f2 alpha , which exhibited competitive binding with natural [ 3h ] pgf2 alpha to ovine luteal cells and to plasma membranes of bovine corpora lutea .
C0024156
luteal cells
C0010092
corpora lutea