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-methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione; Tadalafil
Formula:C22H19N3O4
Formula Weight: 389.40
CAS：171596-29-5
Assay:99.4%
Properties:white powder. Odorless, bitter, insoluble in water and alcohol.
Package:1KG/Aluminum Foil Bag ,25KG/barrel
Usage:Pharmaceutical raw material
Improve the physiological function
