(-)-Cubebin .beta.-Cubebin 18423-69-3 2-Furanol, 3,4-bis(1,3-benzodioxol-5-ylmethyl)tetrahydro-, (2S,3R,4R)- 2-Furanol, tetrahydro-3,4-dipiperonyl- AIDS-002469 AIDS002469 Cubebin Cubebine