10. The acetoacetic ester synthesis is used to prepare? (A) alkylated acetic acid (B) substituted acetone (C) acetoacetic acid (D) malonic ester (E) none of the above.

2. Physostigmine is used in the treatment of glaucoma. Within this structure, the atom indicated by is most basic, while atom is least basic. (A) 1 (most basic), 4 (least basic) (B) 1 (most basic), 3 (least basic) (C) 2 (most basic), 4 (least basic) (D) 2 (most basic), 3 (least basic) (E) None of the above.