WHY DO PLACENTAS EVOLVE? EVIDENCE FOR A MORPHOLOGICAL ADVANTAGE DURING PREGNANCY IN LIVE-BEARING FISH.





N′-(Butan-2-ylidene)furan-2-carbohydrazide

The title Schiff base compound, C9H12N2O2, was obtained from a condensation reaction of butan-2-one and FF HAND furan-2-carbohydrazide.The furan ring and the hydrazide fragment are roughly planar, the largest deviation from the mean plane being 0.069 (2)Å, but the butanylidene group is twisted slightly with respect to this plane

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