Obychnye khimikaty
2026-07-19
2-(этил脲基)피리딘-5-борная кислота频哪спиртэфир
1-Ethyl-1-(5-(4，4，5，5-tetramethyl-1，3，2-dioxaborolan-2-yl)pyridin-2-yl)urea
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