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.
Although the war was interrupted for a decade by the Japanese invasion and World War II, it picked up again once Japan was defeated. Mao Zedong and the Communist Peoples Liberation Army won the Chinese Civil War, and China became the Peoples' Republic of China in 1949.Chiang Kai Shek, leader of the losing Nationalist forces, fled to Taiwan.lthough the war was interrupted for a decade by the Japanese invasion and World War II, it picked up again once Japan was defeated. Mao Zedong and the Communist Peoples Liberation Army won the Chinese Civil War, and China became the Peoples' Republic of China in 1949.