| The chromophore group is an anthraquinone, methine, or azo compound. |
| The appearance of such photochemical by-products as dianthracene and anthraquinone was monitored throughout the irradiation experiments. |
| So far only the diselenides of anthraquinone and their phenols are recognized remedies. |
| The new algicide, the subject of a patent application, uses a product derivative based on the natural compound anthraquinone, found in rye grass. |
| One of them was prepared from anthraquinone selenocyanide, by the action of ammonia under pressure. |
| The quinone with which we are at present concerned is anthraquinone. |
