Specification :

Chemical name:
4S) -4-Ethyl-4, 9-dihydroxy-4, 12-dihydro-1H-pyrano[ 3, 4-f] quinolino-[ 2, 3-a] indolizine-3, 14-dione
Molecular formula: C20H16N2O5
Molecular weight: 364.35
Appearance: Light yellow powder
Package: fiber can
Function:
The antitumor function ( like 30times of camptothecine) ; shift certain inhibitory activity to tumor ( CTT) and tumor differently. Antivirus
Immune suppression, exfoliation