课堂练习(070921) 1.下列几对结构式中,哪些互为对映体?哪些为同一化合物? CH3 CH COOH OH COOH COOH H-Br H-Cl H-OH H-COOH H-Br H Cl H Br cI CI COOH Br-tH Br-COOH CH CH COOH H COOH H OH H Cl Cl OHOH H H1. 下列几对结构式中，哪些互为对映体？哪些为同一化合物？ c d e COOH H Br COOH Br H COOH H Br H Br COOH a b CH3 H Br CH3 H Cl CH3 H Cl CH3 H Br COOH H OH COOH H Cl OH H COOH H Cl COOH OH H H OH H OH OH H H Cl Cl H H Cl Cl H 课堂练习（070921）