@article{4fd9bd74f4a34a83be0cef372dba61aa,
title = "Synthesis of new tetraphenylporphyrin molecules containing heteroatoms other than nitrogen: II. Tetraphenyl-21-selena-23-thiaporphyrin and tetraphenyl-21,23-diselenaporphyrin",
author = "A. Ulman and J. Manassen and F. Frolow and D. Rabinovich",
year = "1978",
doi = "10.1016/S0040-4039(01)85074-7",
language = "אנגלית",
volume = "19",
pages = "167--170",
journal = "Tetrahedron Letters",
issn = "0040-4039",
publisher = "Elsevier Ltd.",
number = "2",
}