2-Methyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)butan-1-ol 3-Cyclopentene-1-butanol, beta,2,2,3-tetramethyl- 72089-08-8 EINECS 276-333-2 beta,2,2,3-Tetramethylcyclopent-3-ene-1-butanol