Beta-lactam antibiotics, which are named for the beta-lactam ring in their chemical structure, 1 include the penicillins, cephalosporins and related compounds.
Biography Josh Agle. Josh Agle (born August 31, 1962), is an American artist known by most followers by the nickname SHAG which is how he started signing his paintings in 1987 (derived from the last two letters of his first name, and the first two letters of his last name).
Josh is dating Gaby Dunn   3-14-14: Josh is dating Kennedy Schofield.     Josh is dating Rachel Beider. Balloon Saloon facebook has pics of  them together shopp â¦ ing dec. 17    Josh Groban is not married. As of Nov 2012, Josh is dating Caitlyn  Chase who is a designer and a model in LA.       He is dating Rachel Beider, his massage therapist.