Keywords: Skeletal formula of a aldehyde group.svg en English Skeletal formula of a general aldehyde group RCHO High-resolution black and white PNG; ChemDraw / Photoshop 2014-05-22 19 45 11 Vector version of this file at Wikimedia Commons Ben Mills Custom license marker 2014 05 22 Uploaded with UploadWizard Aldehyde group |