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title = {{Optical Rotation Computation Total Synthesis, and Stereochemistry Assignment of the Marine Natural Product Pitiamide A}},  journal = {J. Am. Chem. Soc.},  }  @article{Polavarapu_2002,  doi = {10.1002/chir.10145},  url = {http://dx.doi.org/10.1002/chir.10145},  year = {2002},  publisher = {Wiley-Blackwell},  volume = {14},  number = {10},  pages = {768--781},  author = {Prasad L. Polavarapu},  title = {{Optical rotation: Recent advances in determining the absolute configuration}},  journal = {Chirality},  }