Alpha hydrogens in an ester. Alpha hydrogens in an alkyl bromide. 1  Related terms: Î²-carbon, beta-carbon, primary hydrogen, secondary hydrogen, tertiary hydrogen, Î²-hydrogen, beta-hydrogen, Î²-elimination, Î±-helix, Î²-sheet.lpha hydrogens in an ester. Alpha hydrogens in an alkyl bromide. 1  Related terms: Î²-carbon, beta-carbon, primary hydrogen, secondary hydrogen, tertiary hydrogen, Î²-hydrogen, beta-hydrogen, Î²-elimination, Î±-helix, Î²-sheet.
September 14, 1989 The Standard Gravure shooting occurred on  September 14, 1989, in Louisville, Kentucky, when Joseph T. Wesbecker, a 47-year-old pressman, killed eight people and injured twelve at his former workplace, Standard Gravure, before committing suicide.
Gov. Matt Bevin of Kentucky said the gunman who opened fire Tuesday morning at Marshall County High School in Benton, near the western tip of the state was a 15-year-old student. The authorities said the student entered the school just before 8 a.m., fired shots that struck 14 people, and set off a panicked flight in which five more were hurt.