@article{miranda_albert_cardoso_lopes_lopes_2013,  title={Straightforward synthesis of 2,2,4,4,5,7,7-d7-cholestane: a new deuterated standard in petroleum analysis},  volume={36},  ISSN={0100-4042},  url={https://doi.org/10.1590/S0100-40422013000800014},  DOI={10.1590/S0100-40422013000800014},  number={8},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Miranda, Maicon Guerra de and Albert, Andre Luis Mazzei and Cardoso, Jari Nobrega and Lopes, Rosangela Sabbatini Capella and Lopes, Claudio Cerqueira},  year={2013},  pages={1160–1163} }