N2'-Deacetyl-N2'-[4-[[4-[(2,5-dioxo-1-pyrrolidinyl)oxy]-4-oxobutyl]dithio]-4-methyl-1-oxopentyl]maytansine

4-[[5-[[(2S)-1-[[(1S,2R,3S,5S,6S,16Z,18Z,20R,21S)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.110,14.03,5]hexacosa-10,12,14(26),16,18-pentaen-6-yl]oxy]-1-oxopropan-2-yl]-methylamino]-2-methyl-5-oxopentan-2-yl]disulfanyl]-1-(2,5-dioxopyrrolidin-1-yl)oxy-1-oxobutane-2-sulfonic acid

antibody-drug conjugate linker payload

(2,5-dioxopyrrolidin-1-yl) 4-[[3-[5-[[(2S)-1-[[(1S,2R,3S,5S,6S,16E,18E,20R,21S)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.110,14.03,5]hexacosa-10,12,14(26),16,18-pentaen-6-yl]oxy]-1-oxopropan-2-yl]-methylamino]-2-methyl-5-oxopentan-2-yl]sulfanyl-2,5-dioxopyrrolidin-1-yl]methyl]cyclohexane-1-carboxylate

n.a

Mal-(CH2)5-Val-Cit-PAB-Eribulin

antibody-drug conjugate linker payload

Py-MAA-Val-Cit-PAB-MMAE

antibody-drug conjugate linker payload

MC-GGFG-Exatecan

antibody-drug conjugate linker payload

Tert-butyl 2-((1H-pyrrolo[2,3-b]pyridin-5-yl)oxy)-4-bromobenzoate

pharmaceutical intermediate

1-((4'-Chloro-5,5-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazine dihydrochloride

pharmaceutical intermediate

Tert-Butyl 3-hydrazinylpiperidine-1-carboxylate dihydrochloride

pharmaceutical intermediate for drug synthesis