The method of combining dioxyphenylacetic acid
If you want to combine "2 Oxo 2 Phenylacetic Acid", there must be a way. First gather all the medicines, measure the number of them, and combine them in sequence.

Among the medicines, there are the required raw materials, which should be carefully selected to ensure their purity. In a clean vessel, pour an appropriate amount of raw materials, depending on its properties, either warm or hot, or let it stand in a cool place to make it melt.

During this period, observe its changes, observe its color, smell its gas, and wait for it to be as good as possible. Or you need to add other things to it, adjust its properties, and promote its success. If you encounter any obstacle, investigate the cause in detail, whether it is temperature or discomfort, or the proportion of the medicine is wrong, and you must find a way to solve it.

Wait for it to be completed, fine it for separation, except for its impurities, leave its pure product "2 Oxo 2 Phenylacetic Acid". With this, the work is done, and the product should be properly hidden for later use.