Chemical name：2,2',2'',2'''-[(4,8-Dipiperidinopyrimido[5,4-d]pyrimidine-2,6-diyl)dinitrilo]tetraethanol 
Molecular formula：C₂₄H₄₀N₈O₄
Molecular weight：504.63
CAS：58-32-2
Structural formula：

Specification：
In accordance with ChP 2020 edition
Appearance：Yellow crystalline powder
Melting point：162-168℃
Loss on drying：≤0.5%
Residue on ignition：≤0.1%
Heavy metal：≤10ppm
Assay：98.0%-102.0%
Total aerobic microbial count：≤10³cfu/g
Total yeast and mold count：≤10²cfu/g

Packing size：20Kg/drum
Authentication code: Guo Yao Zhun Zi H37022203
Indications：An antiplatelet aggregation agent and coronary artery dilator. Its antiplatelet aggregation effect can be used in heart surgery or valve replacement to reduce the formation of thromboembolism.