(E)-2-(4-Nitrobenzylidene)hydrazinecarboxamide
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E11674 (E)-2-(4-Nitrobenzylidene)hydrazinecarboxamide ≥97% 【psaitong】 |
2-Nitrobenzaldehyde Semicarbazone
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N70084 2-Nitrobenzaldehyde Semicarbazone ≥98%,分析标准品 【psaitong】 |
2-Nitrobenzaldehyde semicarbazone 13C,15N2
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N11454 2-Nitrobenzaldehyde semicarbazone 13C,15N2 【psaitong】 |
2-NP-呋喃西林-13C, 15N2
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N12677 2-NP-呋喃西林-13C, 15N2 【psaitong】 |