2,3-Dichloro-5-trifluoromethylpridine is a key intermediate of synthesis pesticides of insecticide chlorfluazuron.

2,3-二氯-5-三氟甲基吡啶是杀虫剂氯氟脲类合成农药的关键中间体。

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Description Pyruvate is a key intermediate in cellular metabolic pathways.

丙酮酸在细胞代谢中起关键作用。

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Objective:To synthesize a key intermediate of anti-hypertension drug Losartan, 2-butyl-4-chloro-5-formylimidazole(1).

目的：合成抗高血压药氯沙坦的关键中间体2-正丁基-4-氯-5-甲酰基咪唑。

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After all, the piano is such a welter of machinery: Push a key and before you hear a note, a small lever pushes against an intermediate lever, which pushes a jack, which pushes a roller, which pushes a hammer toward the strings.

NPR: Murray Perahia: Bonding With Bach And Chopin

"An intermediate certificate is essentially a master key that can create certificates for any domain name, " explained security analyst Chester Wisniewski from Sophos in a blogpost about the security lapse.

BBC: Google detects fake website ID certificate threat