2-(3-(4-chlorophenyl)-3-hydroxy-2,3-dihydrobenzo[4,5]imidazo[2,1-b]thiazol-2-yl)acetic acid hydrobromide

氨水

硫酸

3-(p-Chlorophenyl)-2,3-dihydro-3-hydroxy-thiazolo[3,2-a]-benzimidazole-2-acetic acid