CAS:59-67-6 Molecular formula:C6H5NO2 Molecular weight:123.109401464462
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CAS:73-24-5 Molecular formula:C5H5N5 Molecular weight:135.1267
CAS:98-92-0 Molecular formula:C6H6N2O Molecular weight:122.12464
CAS:83-88-5 Molecular formula:C17H20N4O6 Molecular weight:376.37