octane-1,2-diol 87720-89-6 1117-86-8 NSC 71546 CHEBI:34056 213705_ALDRICH NCIOpen2_000498 AIDS-017556 AIDS017556 C14273 AI3-13058 EINECS 214-254-7 1,2-Dihydroxyoctane 1,2-Octanediol 1,2-Octylene glycol NSC71546