NC66570
Phosphoramidous acid, bis(1-methylethyl)-, (1R,3R,4R,7S)-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-[3-[bis(2-pyridinylmethyl)amino]-1-oxopropyl]-3-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2-oxa-5-azabicyclo[2.2.1]hept-7-yl 2-cyanoethyl ester