Showing structure for (1'r,2s,4'r,5'r,7'r,8'r,11'r,13's,17's,18's,19'r)-8'-(acetyloxy)-4',7',17'-trihydroxy-14',18'-dimethyl-9',16'-dioxo-3',10'-dioxaspiro[oxirane-2,6'-pentacyclo[9.8.0.0¹,⁷.0⁴,¹⁹.0¹³,¹⁸]nonadecan]-14'-en-5'-yl acetate