@article{alvarenga_mann_1999,  title={Synthesis of Benzyl 4-Hydroxy-5-iodo-2,3-dimethoxy-6-methylbenzoate: The Aromatic Unit of Calicheamicin gamma1},  volume={10},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50531999000200006},  DOI={10.1590/S0103-50531999000200006},  number={2},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Alvarenga, Elson Santiago de and Mann, John},  year={1999},  month={Mar},  pages={107–111} }