1,4-BUTANEDIOL, 2-METHYL- 2-Methyl-1,4-butanediol 2-Methylbutane-1,4-diol 2938-98-9 4-01-00-02546 (Beilstein Handbook Reference) Amylene glycol BRN 1719165 EINECS 220-925-5 NSC 91489