Nsc87874

Pyrocatecholphthlein

Pyrocatecholphthalein

Phthalide, 3,3-bis(3,4-dihydroxyphenyl)-

3,3-Bis(3,4-dihydroxyphenyl)isobenzofuran-1(3H)-one

1(3H)-Isobenzofuranone, 3,3-bis(3,4-dihydroxyphenyl)-