Official course description: Prerequisite: CHEM 220A with a grade of "C" or better. Corequisite: CHEM 223B or CHEM 320L except for students who previously earned a "C" or better in CHEM 223B or CHEM 320L. Second semester of two-semester sequence (CHEM 220A, CHEM 220B; CHEM 223A and CHEM 223B or CHEM 320L). Continuation of study of organic chemistry including chemistry or compounds containing more than one functional group, bioorganic molecules, and special topics. Not open to students with credit in CHEM 320B or CHEM 322B. Letter grade only (A-F).