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A series of novel 5-sulfonyl-indolin-2-ones were designed, synthesized, and screened for their antitumor activity on SGC-7901, A549, HCT116, and ECA-109 cell lines. Four compounds with the most potent antitumor activity were further determined as fibroblast growth factor receptor 2 (FGFR2) inhibitors. Among them, compound 2b was further identified to inhibit HUVECs tube formation.
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Luo et al. (2011) studied this question.
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