英文别名
                        (5,10-dihydroxy-1,9-dimethyl-4,11-dioxo-1,4,6,7,9,11-hexahydro-isochromeno[6,7-f]indazol-7-yl)-acetic acid methyl ester;(5,10-Dihydroxy-1,9-dimethyl-4,11-dioxo-1,4,6,7,9,11-hexahydro-isochromeno[6,7-f]indazol-7-yl)-essigsaeure-methylester;methyl 2-(5,10-dihydroxy-1,9-dimethyl-4,11-dioxo-7,9-dihydro-6H-isochromeno[6,7-f]indazol-7-yl)acetate