| abstract |
In an embodiment of the invention, a drug having pharmaceutical properties useful for treating fibrotic diseases for the treatment and prevention of fibrotic lesion tissue, wherein the active ingredient of the drug is N-substituted 2 (1H) pyridone and one or more N -Substituted 3 (1H) pyridone. The compositions of the present invention are novel as anti-fibrotic drugs, which are substances that treat and prevent fibrotic lesions. |