5820-02-0
ethyl 7-methyl-2-[[5-(4-methyl-2-nitrophenyl)furan-2-yl]methylidene]-5-(4-methylsulfanylphenyl)-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
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1779-49-3
甲基三苯基溴化膦
→
67731-48-0
(3,3-dimethyl-1-phenylpenta-1,4-dienyl)benzene