CAS No. : 172733-42-5
CAT No. : KMV022001
Formula : C21H19N2O5 : Na
FW : 379.4 : 23.0
CAS No. : 344741-24-8
CAT No. : KMV022002
Formula : C19H16N2O5
FW : 352.3
CAS No. : 172732-80-8
CAT No. : KMV022003
Formula : C21H20N2O5
FW : 380.4
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