Random triples
| Subject | Object |
|---|---|
| gptkb:mercury(II)_fulminate | 1800 |
| gptkb:Antim_I | 1950 |
| gptkb:Willson's_reagent | gptkb:20th_century |
| gptkb:Cerulean_Salt | 1860s |
| gptkb:C-11 | gptkb:1940 |
| gptkb:chlorofluorocarbons_(CFCs) | 1928 |
| gptkb:chlorine_dioxide | 1811 |
| gptkb:ethinylestradiol | 1950s |
| gptkb:mercury_fulminate | 1800 |