“…R3Bm (1,4,12,15,18,26,31,39-octaazapentacyclo[13.13.13.1-(6,10).1 (20,24).1(33,37)]-tetratetracontane-6,8,10,20,22,24,33,35,37nonaene) was synthesised from isophthalaldehyde as described earlier. 15 Quantification of the R3Bm R3Bm (12.9 mg) was dissolved in 1 ml of d 6 -DMSO and 9.1 μl of 3 M tetrahydrofuran in d 6 -DMSO was added.…”