2-(p-(2-Methylpropenyl)phenyl)propionic acid 75625-99-9 Acido 2-(4-dimethylvinilfenil)propionico [Italian] BRN 4406048 Benzeneacetic acid, alpha-methyl-4-(2-methyl-1-propenyl)- Gx 258 Hydratropic acid, p-(2-methylpropenyl)-