InChI=1S/C31H41N5O7/c1-31(2,3)43-30(42)35-22-10-7-15-36(29(22)41)24(16-19-11-12-19)27(39)34-23(17-21-13-14-32-26(21)38)25(37)28(40)33-18-20-8-5-4-6-9-20/h4-10,15,19,21,23-25,37H,11-14,16-18H2,1-3H3,(H,32,38)(H,33,40)(H,34,39)(H,35,42)/t21-,23-,24-,25+/m0/s1 ~{tert}-butyl ~{N}-[1-[(2~{S})-3-cyclopropyl-1-oxidanylidene-1-[[(2~{S},3~{R})-3-oxidanyl-4-oxidanylidene-1-[(3~{S})-2-oxidanylidenepyrrolidin-3-yl]-4-[(phenylmethyl)amino]butan-2-yl]amino]propan-2-yl]-2-oxidanylidene-pyridin-3-yl]carbamate CC(C)(C)OC(=O)NC1=CC=CN([C@@H](CC2CC2)C(=O)N[C@@H](C[C@@H]3CCNC3=O)[C@@H](O)C(=O)NCc4ccccc4)C1=O CC(C)(C)OC(=O)NC1=CC=CN([CH](CC2CC2)C(=O)N[CH](C[CH]3CCNC3=O)[CH](O)C(=O)NCc4ccccc4)C1=O