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7-（Trimethylsilyl)-13-o-[((4s,5r)-2,4-diphenyl- 4,5-dihydro oxazol-5-yl)carbonyl]baccatin Ⅲ

5-Hydroxy isatin

3-Amino-3-(hydroxymethyl)-1-(4-octylphenyl)-1,4-butanediol

Solasodine standard

Benzoylmesaconine standard

Benzoylhypacoitine standard

Praeruptorin b standard

Cyasterone standard

Anemoside b4 standard

Daurisoline standard

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