(3,3'-Bithiazolidine)-4,4'-dione, 2,2'-bis(4-fluorophenyl)-, (R*,R*)-(+-)- (3,3'-Bithiazolidine)-4,4'-dione, 2,2'-bis(p-fluorophenyl)-, (+-)- 95035-82-8 dl-2,2'-Bis(p-fluorophenyl)(3,3'-bithiazolidine)-4,4'-dione