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Certified Reference Standards...
化学名称: (E)-4-(4-(2-(2-Amino-1-cyano-2-oxoethylidene)hydrazinyl)phenyl)-3-methyl-4-oxobutanoic acid
微笑: O=C(N)/C(C#N)=N/NC1=CC=C(C(C(C)CC(O)=O)=O)C=C1