Lasiocarpine N-oxide is a natural compound found to be higher in many tea bags, herbal drugs and honey by mass spectrometry.

127-30-0

C21H33NO8

427.49

4-21-00-02054 (Beilstein Handbook Reference)

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years