3258 NEW COMPOUNDS Vol. 71 through the extractor, a total of 300 ml. being employed. The solvent was well dispersed by the stirrer, and rose to form a static layer in the exit arm of the U-tube, from which it drained at the same rate at which Fresh solvcnt was added. Qualitative tests showed no detectable cerium remaining in the water phase. The butyl phosphate ex-tracted bromine as well as cerium.
![2-Propenoic acid,3-[(5-methyl-2-pyridinyl)amino]- Structure](https://image.chemsrc.com/caspic/306/64050-17-5.png)
![Propanedioicacid, 2-[[(5-methyl-2-pyridinyl)amino]methylene]-, 1,3-diethyl ester Structure](https://image.chemsrc.com/caspic/176/19056-89-4.png)