Centchroman

3,4-trans-2,2-DiMethyl-3-phenyl-4-[p-(β- py

1-[2-[p-(trans-7-Methoxy-2,2-diMethyl-3-phenyl- 4-chroManyl)phenoxy]ethyl]pyrrolidine

rel-1-[2-[4-[(3R,4R)-3,4-dihydro-7-Methoxy-2,2-diMethyl-3-phenyl-2H-1-benzopyran-4-yl]phenoxy]ethyl]pyrrolidine