butanoicacid,(3-oxo-1(3h)-isobenzofuranylidene)di-4,1-phenyleneester, 3,3-Bis-(4-butyryloxy-phenyl)-phthalid, Dibutanoic acid [3-oxo-1(3H)-isobenzofuranylidene]di-4,1-phenylene ester, PhenolphthaleinDibutyrateA.R, 3,3-BIS(P-HYDROXYPHENYL)PHTHALIDE DIBUTYRATE, 3,3-bis-(4-butyryloxy-phenyl)-phthalide, (3-oxo-1(3H)-isobenzofurylidene)di-p-phenylene dibutyrate, Einecs 263-646-4, Butanoic acid,1,1'-((3-oxo-1(3H)-isobenzofuranylidene)di-4,1-phenylene) ester