1,3-Benzenediacetic acid, 2-methoxy-, diethyl ester

(2-methoxy-1,3-phenylene)bis(ethane-2,1-diyl) dimethanesulfonate

14,19-Dioxa-1,11-diazatricyclo[9.5.5.14,8]docosa-4,6,8(22)-triene-2,10-dione, 22-methoxy-

14,17,22,25-Tetraoxa-1,11-diazatricyclo[9.8.8.14,8]octacosa-4,6,8(28)-trien-28-ol

16,21-Dioxa-1,13-diazatricyclo[11.5.5.15,9]tetracosa-5,7,9(24)-triene-2,12-dione, 24-methoxy-