(1R)-7-[(3S,9S,14aR)-9-benzyl-6,6-dimethyl-1,4,7,10-tetraoxotetradecahydropyrrolo[1,2-a][1,4,7,10]tetraazacyclododecin-3-yl]-1-methyl-2-oxoheptyl rel-acetate Acetic acid 7-(5-benzyl-8,8-dimethyl-4,7,10,13-tetraoxo-tetradecahydro-3a,6,9,12-tetraaza-cyclopentacyclododecen-11-yl)-1-methyl-2-oxo-heptyl ester InChI=1/C30H42N4O7/c1-19(41-20(2)35)25(36)16-10-6-9-14-22-26(37)33-30(3,4)29(40)32-23(18-21-12-7-5-8-13-21)28(39)34-17-11-15-24(34)27(38)31-22/h5,7-8,12-13,19,22-24H,6,9-11,14-18H2,1-4H3,(H,31,38)(H,32,40)(H,33,37)/t19-,22+,23+,24-/m1/s