2-Norbornanone, 3-(1,3-dichloro-2-hydroxy-1,1,3,3-tetrafluoro-2-propyl)- 3-(1,3-Dichloro-2-hydroxy-1,1,3,3-tetrafluoro-2-propyl)-2-norbornanone 35444-17-8 BRN 2289347 NSC 160200