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- In this compound the deviation from planarity is 13 for the benzene ring and 17 for the bridgehead carbons.en.wikipedia.org
- The main differences of the synephrine isomers compared for example to the ephedrines are the hydroxy-substitutions on the benzene ring.en.wikipedia.org
- It has a bicyclic structure, consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing pyrrole ring.en.wikipedia.org
- There are four peaks between 130-140 ppm from the carbons in the benzene ring.en.wikipedia.org
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