2,2'-(2-Methylpropylidene)bis(4,6-dimethylphenol) 2,2'-(2-Methylpropylidene)bis(4,6-xylenol) 2,2'-Isobutylidene-bis(4,6-dimethylphenol) 2,2'-Isobutylidenebis(4,6-dimethylphenol) 2,4-Xylenol, 6,6'-isobutylidenedi- 3-06-00-05547 (Beilstein Handbook Reference) 33145-10-7 63530-23-4 BRN 2148314 EINECS 251-394-8 Metaseol Phenol, 2,2'-(2-methylpropylidene)bis(4,6-dimethyl- Vulkanox NKF