DRR drr (9S,12S)-9-(1-methylethyl)-N-[(8S,11S)-8-[(1S)-1-methylpropyl]-7,10-dioxo-2-oxa-6,9-diazabicyclo[11.2.2]heptadeca-1(15),13,16-trien-11-yl]-7,10-dioxo-2-oxa-8,11-diazabicyclo[12.2.2]octadeca-1(16),14,17-triene-12-carboxamide DRR