606-55-3
N-乙基碘化喹醛啶
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2892-51-5
方酸
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~44%
23475-74-3
(4Z)-4-[(1-ethylquinolin-1-ium-2-yl)methylidene]-2-[(E)-(1-ethylquinolin-2-ylidene)methyl]-3-oxocyclobuten-1-olate