UO7 uo7 (2R,5S,11S,14S,18E)-2,11-dimethyl-14-(propan-2-yl)-3-oxa-9,12,15,21,29-pentaazatetracyclo[18.5.3.1~5,9~.0~23,27~]nonacosa-1(26),18,20,22,24,27-hexaene-4,10,13,16-tetrone UO7