20 10 10 30+00 Qumei slimming capsules were removed from the shelves nationwide, and the main ingredients were banned in Europe and America. The structure of sibutramine hydrochloride, the main component, is shown on the right, including D

Analysis of test questions: One of the hydrolysis products of this organic matter is phenol, which can be tested by FeCl 3 solution, and the solution is purple; Benzene is a molecule with 12 atoms on the same plane, so organic matter has at least 12 atoms on the same plane; Organic compounds belong to aromatic hydrocarbons, and 4molH 2, 3mol with benzene ring and 1mol with ring can be added.

Comments: This kind of problem needs students' concern. We are not familiar with the materials given in the original question, but each step is decomposed into knowledge points in our usual books. Therefore, we should master every knowledge point firmly in our usual study.