Data for: Two new glycoalkaloids from Stephania succifera

Supplementary material related to this article, including NMR and MS spectra of new compounds 1–2 and chemical structures of eleven known alkaloids.本文相关的补充材料，包括新型化合物1至2的核磁共振（NMR）谱与质谱（MS）谱，以及11种已知生物碱的化学结构。