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?? ???? >methyl 3-{[(Z)-2-(anilinocarbonyl)-3-oxo-1-butenyl]amino}-2-thiophenecarboxylate
methyl 3-{[(Z)-2-(anilinocarbonyl)-3-oxo-1-butenyl]amino}-2-thiophenecarboxylate
methyl 3-{[(Z)-2-(anilinocarbonyl)-3-oxo-1-butenyl]amino}-2-thiophenecarboxylate ??
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methyl 3-{[(Z)-2-(anilinocarbonyl)-3-oxo-1-butenyl]amino}-2-thiophenecarboxylate C??? ??, ??, ??
methyl 3-{[(Z)-2-(anilinocarbonyl)-3-oxo-1-butenyl]amino}-2-thiophenecarboxylate ?? ?? ? ???
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methyl 3-{[(Z)-2-(anilinocarbonyl)-3-oxo-1-butenyl]amino}-2-thiophenecarboxylate ?? ??
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