Keywords: Acetic-anhydride-2D-skeletal.png Skeletal formula of acetic anhydride C<sub>4</sub>H<sub>6</sub>O<sub>3</sub> Structure drawn in http //www cambridgesoft com/software/details/ ds 2 dsv 73 ChemDraw Own 2006-07-22 Ben Mills Benjah-bmm27 Acetic anhydride svg Images by Ben Mills Acetic anhydride |