territrem A

TERRITREM A(RG)

(4aR)-4a,6,6a,12,12a,12b-Hexahydro-4aβ,12aβ-dihydroxy-9-(7-methoxy-1,3-benzodioxol-5-yl)-4,4,6aα,12bα-tetramethyl-4H,11H-naphtho[2,1-b]pyrano[3,4-e]pyran-1,11(5H)-dione