7. Treatment of (S)-6-chloro-1-methyl-1-cyclohexene with H3O is expected to produce which of the following product(s)? (A) I and III (B) II (C) II and V (D) IV (E) I, III and V.
28. Bextra, a COX-2 inhibitor used in the treatment of arthritis, contains a heterocyclic ring. What is this heterocyclic ring
named? (A) furan ring (B) oxazole ring (C) isoxazole ring (D) thiophene ring (E) indole ring