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tert-Butyl 4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate: BD38165849928-22-998%; ￥1535.05g

1'-(tert-Butoxycarbonyl)-4-oxospiro[chroman-2,4'-piperidine]-7-carboxylic acid: BD4371641086398-20-097%; ￥344.050mg

tert-Butyl 6-bromo-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate: BD153124690632-38-397%; ￥2204.05g

Spiro[chroman-2,4'-piperidin]-4-one hydrochloride: BD27663159635-39-998%; ￥3820.025g

6-Bromospiro[chroman-2,4'-piperidin]-4-one hydrochloride: BD220880921760-46-595%; ￥203.0250mg

6-Bromospiro[chroman-2,4'-piperidin]-4-one: BD212442690632-08-797%; ￥2364.0250mg

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