| 1 | 542-07-4 | Malonuric Acid | Malonuric Acid | C4H6N2O4
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| 2 | 58473-18-0 | 1,4-dinitro-2-butene | 1,4-dinitro-2-butene | C4H6N2O4
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| 3 | 64046-65-7 | 2,2'-Azobisacetic acid | 2,2'-Azobisacetic acid | C4H6N2O4
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| 4 | | (E)-2,3-Dinitro-2-butene | (E)-2,3-Dinitro-2-butene | C4H6N2O4
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| 5 | 97795-13-6 | N-nitroso-N-acetylglycine | N-nitroso-N-acetylglycine | C4H6N2O4
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| 6 | | (E)-1-Nitroethanone O-acetyl oxime | (E)-1-Nitroethanone O-acetyl oxime | C4H6N2O4
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| 7 | 2446-84-6 | 偶氮二甲酸二甲酯 | AZODICARBOXYLIC ACID DIMETHYL ESTER | C4H6N2O4
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| 8 | | N-NITROSOOXAZOLIDINE-4-CARBOXYLICACID | N-NITROSOOXAZOLIDINE-4-CARBOXYLICACID | C4H6N2O4
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| 9 | 128534-30-5 | 3-Azetidinecarboxylicacid,1-nitro-(9CI) | 3-Azetidinecarboxylicacid,1-nitro-(9CI) | C4H6N2O4
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| 10 | | 3,4-DIHYDROXYCYCLOBUTANE-1,2-DIONE DIOXIME | 3,4-DIHYDROXYCYCLOBUTANE-1,2-DIONE DIOXIME | C4H6N2O4
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| 11 | 95326-10-6 | 4-Oxazolidinecarboxylicacid,3-nitroso-(9CI) | 4-Oxazolidinecarboxylicacid,3-nitroso-(9CI) | C4H6N2O4
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| 12 | 128191-80-0 | 2-Butenedioic acid, 2,3-diamino-, (Z)- (9CI) | 2-Butenedioic acid, 2,3-diamino-, (Z)- (9CI) | C4H6N2O4
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| 13 | 10329-97-2 | | Acetic acid,(2-amino-2-oxoacetyl)azanyl ester | C4H6N2O4
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| 14 | | 3,4-DIHYDROXYCYCLOBUTANE-1,2-DIONE DIOXIME, TECH | 3,4-DIHYDROXYCYCLOBUTANE-1,2-DIONE DIOXIME, TECH | C4H6N2O4
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| 15 | 56457-51-3 | 5-Isoxazolidinecarboxylicacid,4-amino-3-oxo-(9CI) | 5-Isoxazolidinecarboxylicacid,4-amino-3-oxo-(9CI) | C4H6N2O4
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| 16 | 254991-15-6 | 1,2-Cyclobutanedione, 3,4-dihydroxy-, dioxime (9CI) | 1,2-Cyclobutanedione, 3,4-dihydroxy-, dioxime (9CI) | C4H6N2O4
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