6,8-Dibromo-imidazo[1,2-a]pyrazine-2-carboxylic acid ethyl esterS77600 · CAS 87597-21-595%¥20.00 / 25mg 起选规格
Imidazo[1,2-a]pyrazine-2-carboxylic acid, 5-bromo-, ethyl esterS77602 · CAS 87597-27-198%¥470.00 / 100mg 起选规格