Figures & data
Figure 1. Two-dimensional chemical structures of clonidine (a) and apraclonidine (b), both alpha-2 agonists. National Center for Biotechnology Information. PubChem Compound Database; CID = 2216, https://pubchem.ncbi.nlm.nih.gov/compound/2216 (accessed 2018 Oct 10).
![Figure 1. Two-dimensional chemical structures of clonidine (a) and apraclonidine (b), both alpha-2 agonists. National Center for Biotechnology Information. PubChem Compound Database; CID = 2216, https://pubchem.ncbi.nlm.nih.gov/compound/2216 (accessed 2018 Oct 10).](/cms/asset/84ddf08f-a326-46f8-bdbb-bf1438d82992/ttxc_a_1544189_f0001_c.jpg)