Showing structure for (3r,6r,9s,12r,15s,18r)-3-[(2r)-butan-2-yl]-9-[(2s)-butan-2-yl]-6,12,15,18-tetraisopropyl-4,10,16-trimethyl-1,7,13-trioxa-4,10,16-triazacyclooctadecane-2,5,8,11,14,17-hexone