| 1 | Coupling and other experiments on natural phenolic colouring matters |
| 2 | Synthesis of some naturally occurring hydroxy anthraquinone colouring matters |
| Language: | English |
| 3 | |
| 4 | |
| Language: | English |
| 5 | |
| 6 | Polarographic behaviour of di-and tetrabromo-(R)-fluoresceins |
| Language: | English |
| 7 |