1,4-BD 1,4-BUTANEDIOL 1,4-Butylene glycol 1,4-Dihydroxybutane 1,4-Tetramethylene glycol 110-63-4 4-01-00-02515 (Beilstein Handbook Reference) 732189-03-6 AI3-07553 Agrisynth B1D BRN 1633445 Butane-1,4-diol Butanediol CCRIS 5984 DIOL 14B EINECS 203-786-5 HSDB 1112 NSC 406696 Sucol B Tetramethylene 1,4-diol Tetramethylene glycol