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.
The Top 10 Reasons Why Small Businesses Fail. Why do some businesses succeed when others fail? While it may seem to be a matter of luck, in reality there are common mistakes that kill many small businesses before they ever get off the ground. Give your startup a fighting chance by avoiding these 10 top startup missteps. 1  Growing too fast: While growth is desirable, overexpansion is a serious error.  Failing to track your finances: Look at businesses that fail and youâll find that many of them took on too much debt.