上游原料
2-Benzofuran-1(3H)-one; Phthalide; Benzo[b]furan-1(3H)-one; 1(3H)-Isobenzofuranoneisobenzofuran-1-one4-Pyridinecarboxaldehyde; isonicotinaldehyde1-chloro-4-(4-pyridinylmethyl)phthalazine3-[(Z)-4-pyridinylmethylidene]-2-benzofuran-1-one3-hydroxy-2-(4-pyridinyl)-1H-inden-1-one4-(4-pyridinylmethyl)-1(2H)-phthalazinone3,4-bis(trifluoromethyl)phenylamine; 3,4-bis(trifluoromethyl)aniline
