1,3-Benzodioxole, 5-(diethoxymethyl)- 2-19-00-00143 (Beilstein Handbook Reference) 40527-42-2 5-Diethoxymethyl-1,3-benzodioxole AI3-19955 BRN 0085612 EINECS 254-956-0 Heliotropin DEA NSC 20028 Piperonal diethyl acetal Piperonal, diethyl acetal