Showing structure for 4,10,19-tris(acetyloxy)-9-hydroxy-5-methyl-12-methylidene-7-azaheptacyclo[9.6.2.0¹,⁸.0⁵,¹⁷.0⁷,¹⁶.0⁹,¹⁴.0¹⁴,¹⁸]nonadecan-3-yl 2-methylbutanoate