11115-98-3

12-methyl-21,24-bis(1-methylethyl)-13-(2-methylpropyl)hexadecahydro-6,10:15,18-dimethanopyridazino[1,6-d][1,4,7,8,13,17,21]oxahexaazacyclotricosine-5,11,14,19,22,25(1H,24H)-hexone