Promethazine hydrochloride, a phenothiazine derivative, is chemically designated as (Â±)-10-[2-(Dimethylamino)propyl] phenothiazine monohydrochloride. Promethazine hydrochloride occurs as a white to faint yellow, practically odorless, crystalline powder which slowly oxidizes and turns blue on prolonged exposure to air.
Confidence votes 11. The new Republic of China fell into chaos after 1912 because of the mistakes of Yuan Shikai. In 1912, after Sun Yixian(AKA Sun Yat-Sen) stepped down as president in favor for him, Yuan Shikai tried to foolishly create another dynasty.However, the military didn't back him and opposition divided the nation.ventually, the KMT retreated o the island of Taiwan and the CPC became the People's Republic of China (PRC) in 1949. There was never a peace agreement between both nations so both governments claim to be the legitimate government of all of China.
In the 1930s there was a world-wide economic depression. Japan tried to overcome the depression by building up an empire. In 1932, the Japanese army invaded Manchuria and threw out the Chinese. They set up their own government there and called it Manchoukuo. China asked the League to help.ascist governments which believed in the survival of the strongest came to power in Germany and Italy. In the 1920s, the League had been quite successful. In the 1930s, it failed terribly. This page looks at its failure in Manchuria, and the next spread looks at its failure in Abyssinia.