(2-Oxo-3-phenyl-1,4-diaza-spiro[4.5]dec-3-en-1-yl)-acetic acid , 0.97 , 【1234508-94-1】
Molecular Formula: C16H18N2O3
Formula Weight: 286.33
2-PHENYLBUTYRIC ACID ANHYDRIDE , 0.97 , 【1519-21-7】
Molecular Formula: C20H22O3
Formula Weight: 310.39
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