(3,3'-Bithiazolidine)-4,4'-dione, 2,2'-bis(3-chlorophenyl)-, (R*,R*)-(+-)- (3,3'-Bithiazolidine)-4,4'-dione, 2,2'-bis(m-chlorophenyl)-, (+-)- 95035-74-8 dl-2,2'-Bis(m-chlorophenyl)(3,3'-bithiazolidine)-4,4'-dione