1,4-BD 1,4-Butanediol 1,4-Butylene glycol 1,4-Dihydroxybutane 1,4-Tetramethylene glycol 110-63-4 Butane-1,4-diol Butanediol Diol 14B NSC406696 Sucol B Tetramethylene glycol WLN: Q4Q