Structural formula:

Molecular formula:C₁₂H₂₀N₂SO₃·HCl
Molecular weight:308.83
Property:white or similar to white crystal powder:odorless ,bitter taste
Specification: State pharmaceutical inspection administration of PRC WS-213(x-188)-2001
Related Substances: Not more than 0.5%
Loss On Drying: Not more than 0.5%
Reidue on ignition: Not more than 0.1%
Assay: more than 99.0%
Use: Suitable for various room fast type arrhythmia of jeopardizing the life .
Registered number of approval: National drug standard H20010639