(2)血卟啉 CHECH2 CH Br CH3 血红蛋白(b) 溴化 CH3 CH3 CH2 CH2 CH, CHE COOH COOH CooNa CooNa 氯化血红素 溴血卟啉 CH3 LCH3 H HO HO CH3 水解 成盐 用途:光敏 CH2 CHi CH2 剂,用于肿 CH COOH COOH COoNa CooNa 瘤诊断 血卟啉 血卟啉钠(2)血卟啉 血红蛋白(Hb) 降 解 N N HN NH C CH3 CH3 CH3 CH2 CH2 COONa CH3 CH2 CH2 COONa Br CH3 H Br CH3 H N N HN NH C CH3 CH3 C CH3 CH2 CH2 COOH CH3 CH2 CH2 COOH CH3 H HO HO CH3 H N N HN NH C CH3 CH3 C CH3 CH2 CH2 COONa CH3 CH2 CH2 COONa HO CH3 H HO CH3 H N N N N CH CH2 CH3 CH CH2 CH3 CH3 CH2 CH2 COOH CH3 CH2 CH2 COOH FeCl 溴 化 水 解 成 盐 氯化血红素 二溴血卟啉 血卟啉 血卟啉钠 用途：光敏 剂，用于肿 瘤诊断