Showing structure for 8-methyl-6-[(2-methylbut-2-enoyl)oxy]-8-azabicyclo[3.2.1]octan-3-yl 6,15,22,28-tetramethyl-5,10,20,23-tetraoxo-8-phenyl-4,11,19,24-tetraoxa-15,28-diazahexacyclo[23.3.1.1¹⁴,¹⁸.0³,²⁷.0⁶,⁹.0¹²,¹⁶]triacont-21-ene-7-carboxylate