149640-49-3 1943-97-1 25177-00-8 57137-22-1 EINECS 217-739-1 Phenol, 4,4'-(octahydro-4,7-methano-5H-inden-5-ylidene)bis- p,p'-(Octahydro-4,7-methano-5H-inden-5-ylidene)bisphenol