Meyd-773

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The crew lived in a tightly knit community. Weekly “cultural nights” featured cuisine and music from the many nations represented onboard, and a rotating “Storytime” where senior crew members recounted tales of early spaceflight—both to preserve history and to remind everyone why they were venturing into the unknown. MEYD-773

Initial SAR exploration identified the 4‑fluoro‑anilide substitution as critical for affinity (IC₅₀ = 45 nM). Further introduction of a pyridin‑3‑yl moiety at the C‑2 position increased potency 3‑fold, resulting in (IC₅₀ = 12 nM for p110α) (Figure 1A). Kinome profiling revealed >250‑fold selectivity against p110β (IC₅₀ = 3.1 µM) and >500‑fold versus the remaining 338 kinases (Figure 1B). : Give some background on what the product is