manufacturing method of 펨 derivatives.

摘要

this invention is a manufacturing method of the three ud3a8 derivatives in more detail, and, the chemical formula 2 is a list of 7 - amino - 4 - 3 - 3 ud3a8 carboxylic acid derivatives and 2 - in the uce85 benzo thiazole - 2 - (2 - amino - 4 - thiazole 2) - - - the sound of the new uc2dcuc774ubbf8. to use the specific reaction the bases and conditions, by the reaction of a carboxylic acid, the treatment of the reaction (one - step reaction) of the chemical formula 1. ud3a8 navigation display system on the manufacturing method.;in the above. r is h, or to express.