An iridium(III) 3-chloro-6-thio-1,2,4,5-tetrazine complex for cysteine conjugation, bioimaging and photoactivated therapy - RSC Chemical Biology pubs.rsc.org/en/content/a... @bhkenlo.bsky.social & co-workers @rscchembio.rsc.org #iridium #tetrazine #cysteine #bioconjugation #imaging #PACT