Figure 1. The molecular structure, common name, SMILES notation, and formula presented here for the sedative/hypnotic compound 2-thiobarbituric acid.

From

Detection and Quantitative Analysis for 2-Thiobarbituric Acid Utilizing Uv-Visible Spectrophotometer

Ronald Bartzatt, Maggie Bartlett, Nancy Handler

American Journal of Pharmacological Sciences. 2013, 1(1), 10-14 doi:10.12691/ajps-1-1-3