1,7-dimethylxanthine has been researched along with pseudoephedrine in 1 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 0 (0.00) | 18.7374 |
| 1990's | 0 (0.00) | 18.2507 |
| 2000's | 0 (0.00) | 29.6817 |
| 2010's | 1 (100.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Chan, SA; Lian, L; Pang, W; Song, W; Yao, B; Yin, D | 1 |
1 other study(ies) available for 1,7-dimethylxanthine and pseudoephedrine
| Article | Year |
|---|---|
Determination of illicit drugs in aqueous environmental samples by online solid-phase extraction coupled to liquid chromatography-tandem mass spectrometry.
Topics: Caffeine; China; Chromatography, Liquid; Cotinine; Environmental Monitoring; Illicit Drugs; Pseudoephedrine; Reproducibility of Results; Rivers; Solid Phase Extraction; Tandem Mass Spectrometry; Theophylline; Wastewater; Water Pollutants, Chemical | 2016 |