3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone; 3,3-Bis(4-hydroxyphenyl)phthalide; 3,3-Bis(p-hydroxyphenyl)phthalide; Euchessina; Koprol; Laxogen; Lilo; NSC 10464; NSC 215214; Phthalimetten; Phthalin; Purga; Purgen; Purgophen; Spulmako-lax; TY 9; Trilax