(20R,22S,25R)-20-Deoxy-5alpha-cevanine-3beta-ol-6-one (3beta,5alpha,17beta)-3-Hydroxycevan-6-one 20-Deoxy-5-cevanine-3-ol-6-one 96997-98-7 Cevan-6-one, 3-hydroxy-, (3beta,5alpha,17beta)- Puqiedinone Sinpeinine A