Back to the overview of different vitamins When you can not open the PDB files you probably have not the free plug-in Chime. You can download Chime, after registration, free of charge by clicking here. Vitamine C Chemische naam: L-Ascorbinezuur of E300 (engels: Ascorbic Acid) Molecuul formule: C6H8O6 Traditionele structuurformule. 3D-ball & stick structuurformule. De PDB file getoont met Chime.