NC123091
5,8-Epoxy-1,4-etheno-13,16-methano-4H,16H-pyrimido[1,6-c][1,3,6,8,14]oxatetraazacyclooctadecine-3,11,18,20(12H,17H)-tetrone, 5,6,7,8,9,10,13,14,21,21a-decahydro-7,21-dihydroxy-14-(hydroxymethyl)-21,25-dimethyl-, (5R,7S,8R,13R,14S,16R,21R,21aS)-
414870-92-1