tert-Butyl alcohol75-65-0100 % similar tert-Butyl titanate3087-39-675 % similar Pinacol76-09-538 % similar 2,5-Dimethyl-2,5-hexanediol110-03-231 % similar 2,5-Dimethyl-3-hexyne-2,5-diol142-30-331 % similar