1,1,3-Trimethoxybutane 10138-89-3 3-Methoxybutyraldehyde dimethyl acetal 4-01-00-03985 (Beilstein Handbook Reference) AI3-25336 BRN 1698649 BUTANE, 1,1,3-TRIMETHOXY- Butyraldehyde, 3-methoxy-, dimethyl acetal (8CI) NSC 127599