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3-[[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)ethyl]amino]-N-[(1,1-dimethylethoxy)carbonyl]-L-alanineCAS：1263045-09-5Molecular Formula：C18H28N2O6 -
4-[[Bis[[(1,1-dimethylethoxy)carbonyl]amino]methylene]amino]benzeneacetic acidCAS：1263045-12-0Molecular Formula：C19H27N3O6 -
(2S)-4-[[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)ethyl]amino]-2-[[(1,1-dimethylethoxy)carbonyl]amino]butanoic acidCAS：1263045-50-6Molecular Formula：C19H30N2O6 -
1-[[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]methyl]cyclopropanecarboxylic acidCAS：1263045-62-0Molecular Formula：C20H19NO4 -
(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-((2,2,10,10-tetramethyl-4,8-dioxo-3,9-dioxa-5,7-diazaundecan-6-ylidene)amino)propanoic acidCAS：1263045-67-5Molecular Formula：C29H36N4O8 -
(2S)-2-[[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)ethyl]amino]-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]butanoic acidCAS：1263045-85-7Molecular Formula：C29H32N2O6 -
N-[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)ethyl]-3-[[(2-propen-1-yloxy)carbonyl]amino]-L-alanineCAS：1263045-89-1Molecular Formula：C17H24N2O6 -
(2R)-2-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-methyl-4-pentenoic acid ethyl esterCAS：1263046-12-3Molecular Formula：C13H23NO4 -
3-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-N-(triphenylmethyl)-L-alanineCAS：1263046-25-8Molecular Formula：C37H32N2O4 -
(2S)-2-[[(Phenylmethoxy)carbonyl]amino]-4-[[(2-propen-1-yloxy)carbonyl]amino]butanoic acidCAS：1263046-32-7Molecular Formula：C16H20N2O6 -
N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-3-[[(4-methylphenyl)diphenylmethyl]amino]-D-alanineCAS：1263046-35-0Molecular Formula：C38H34N2O4 -
(2R)-4-[[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)ethyl]amino]-2-[[(1,1-dimethylethoxy)carbonyl]amino]butanoic acidCAS：1263046-41-8Molecular Formula：C19H30N2O6 -
trans-4-[[Bis[[(1,1-dimethylethoxy)carbonyl]amino]methylene]amino]cyclohexanecarboxylic acidCAS：1263046-44-1Molecular Formula：C18H31N3O6 -
N-[(Phenylmethoxy)carbonyl]-3-[[(2-propen-1-yloxy)carbonyl]amino]-D-alanineCAS：1263046-49-6Molecular Formula：C15H18N2O6 -
(2R)-2-[[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)ethyl]amino]-4-[[(2-propen-1-yloxy)carbonyl]amino]butanoic acidCAS：1263046-79-2Molecular Formula：C18H26N2O6 -
(2R)-2-[[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)ethyl]amino]-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]butanoic acidCAS：1263046-84-9Molecular Formula：C29H32N2O6 -
N-[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)ethyl]-3-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-D-alanineCAS：1263046-87-2Molecular Formula：C28H30N2O6 -
N-[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)ethyl]-3-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-L-alanineCAS：1263046-98-5Molecular Formula：C28H30N2O6 -
3-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-N-(triphenylmethyl)-D-alanineCAS：1263047-04-6Molecular Formula：C37H32N2O4 -
(2S)-4-[(2,4-Dinitrophenyl)amino]-2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]butanoic acidCAS：1263047-22-8Molecular Formula：C25H22N4O8