Showing structure for (3r,3'r,4's,4'ar,5'as)-4'-ethenyl-2-hydroxy-3'-{[(2r,3s,4r,5r,6s)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4',4'a,5',5'a,7',8'-hexahydro-3'h-spiro[indole-3,6'-pyrano[3,4-f]indolizin]-10'-one