(R*,S*)-3,3'-(1,2-Dipropyl-1,2-ethanediyl)bisphenol 1,2-Dipropyl-1,2-bis(3'-hydroxyphenyl)ethane 78682-43-6 NSC 297171 NSC-297171 Phenol, 3,3'-(1,2-dipropyl-1,2-ethanediyl)bis-, (R*,S*)-