Background:

STAT3-IN-3 is a potent and selective inhibitor of signal transducer and activator of transcription 3 (STAT3)[1]. STAT3

[1]. Cai G， et al. Discovery of fluorescent coumarin-benzo[b]thiophene 1, 1-dioxide conjugates as mitochondria-targeting antitumor STAT3 inhibitors. Eur J Med Chem. 2019 Jul 15;174:236-251.