1. a crystalline compound, sodium chloride, NaCl, occurring chiefly as a mineral or a constituent of seawater, and used for seasoning food and as a preservative. 2. any of a class of chemical compounds formed by neutralization of an acid by a base, a reaction in which hydrogen atoms of...
Assign R or S configurations to the chiral centers in cephalexin, tradenamed Keflex, the most widely prescribed antibiotic in the United States. Orient the following drawing so the lowest-ranked group is toward the rear, and then assign the R or S configuration. Which of the following ...