@article{3027970,
    title = "Steroidal dihydropyrazines",
    author = "Catsoulacos, P. and Souli, E.",
    journal = "Journal of Heterocyclic Chemistry",
    year = "1975",
    volume = "12",
    number = "1",
    pages = "193-194",
    issn = "0022-152X, 1943-5193",
    doi = "10.1002/jhet.5570120140",
    keywords = "drug analysis;  drug identification;  drug structure;  drug synthesis;  in vitro study;  infrared spectrometry;  mass spectrometry;  methodology;  nuclear magnetic resonance spectroscopy;  theoretical study"
}