Showing structure for methyl (1r,3r,4r,7s,10s,14s,15r,17r,18s,19s,20s)-18-[(acetyloxy)methyl]-17,20-dihydroxy-14-methyl-12-azahexacyclo[10.6.1.1¹,⁴.0¹⁰,¹⁸.0¹⁵,¹⁹.0⁷,²⁰]icosane-3-carboxylate