ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C18H22N4O6/c1-4-10(23)22-9-5-21-13-11(15(25)12(19)7(2)14(13)24)8(6-28-17(20)26)18(21,27-3)16(9)22/h8-9,16H,4-6,19H2,1-3H3,(H2,20,26)/t8-,9?,16?,18?,22?/m1/s1/file?format=sdf&get3d=True -- InChI=1S/C18H22N4O6/c1-4-10(23)22-9-5-21-13-11(15(25)12(19)7(2)14(13)24)8(6-28-17(20)26)18(21,27-3)16(9)22/h8-9,16H,4-6,19H2,1-3H3,(H2,20,26)/t8-,9?,16?,18?,22?/m1/s1 could not be loaded.