Synonyms3,7,9-trihydroxy-1-methylbenzo[c]chromen-6-one; NSC 638263 Close 3,7,9-trihydroxy-1-methylbenzo[c]chromen-6-one; NSC 638263 Related products Alternariol M.F. M.W. 258.23 CAT# AR-A04974 CAS# 641-38-3