1,2-Benzenediol, 4-(1-methylethyl)- 1,2-Benzenediol, 4-(1-methylethyl)- (9CI) 2138-43-4 3-06-00-04632 (Beilstein Handbook Reference) 4-(1-Methylethyl)-1,2-benzenediol 4-ISOPROPYLCATECHOL 4-Isopropylpyrocatechol BRN 2043519 EINECS 218-384-5 NSC 62676 Pyrocatechol, 4-isopropyl-