Synonyms2-Hydroxy-3,9,10-trimethoxy-5,6-dihydroisoquinolino[3,2-a]isoquinolin-7-ium chloride Close 2-Hydroxy-3,9,10-trimethoxy-5,6-dihydroisoquinolino[3,2-a]isoquinolin-7-ium chloride Related products Columbamine Chloride M.F. M.W. 338.39 35.45 CAT# AR-C03472 CAS# 1916-10-5