2H-1-Benzopyran-6-sulfonic acid,7-amino-3-[2-[(2,5-dioxo-1-pyrrolidinyl)oxy]-2-oxoethyl]-4-methyl-2-oxo-

2H-1-Benzopyran-6-sulfonic acid,7-amino-3-[2-[(2,5-dioxo-1-pyrrolidinyl)oxy]-2-oxoethyl]-4-methyl-2-oxo- · CAS 200554-19-4