The present invention relates to the use of a chemical (amino-7 triethoxy-4,5,6 oxo-1 dihydro-1,3 isobenzofuranyl-3) -1 methoxy-8 methyl-2 methylenedioxy- 2, 3, 4 isoquinoline ((AMINO-7 TRIETHOXY-4,5,6 OXO-1 DIHYDRO-1,3 ISOBENZOFURANNYL-3) -1 METHOXY-8 METHYL-2 METHYLENEDIOXY-6,7 TETRAHYDRO- , 2,3,4 ISOQUINOLEINE) or idiopathic pulmonary fibrosis of the laevorotatory and dextrorotatory enantiomers of tritoqualine.본 발명은 화학 물질 (아미노-7 트리에톡시-4,5,6 옥소-1 디하이드로-1,3 이소벤조푸라닐-3)-1 메톡시-8 메틸-2메틸렌디옥시-6,7 테트라하이드로-,2,3,4 이소퀴놀레인((AMINO-7 TRIETHOXY-4,5,6 OXO-1 DIHYDRO-1,3 ISOBENZOFURANNYL-3)-1 METHOXY-8 METHYL-2METHYLENEDIOXY-6,7 TETRAHYDRO-,2,3,4 ISOQUINOLEINE) 또는 트리토쿠알린(tritoqualine)의 좌선성(laevorotatory) 및 우선성(dextrorotatory) 거울상 이성질체의 특발성 폐섬유화증(idiopathic pulmonary fibrosis)을 치료하기 위한 용도에 관한 것이다.
