ChemInform Abstract: SYNTHESIS OF NEW TETRAPHENYLPORPHYRIN MOLECULES CONTAINING HETEROATOMS OTHER THAN NITROGEN. II. TETRAPHENYL‐21‐SELENA‐23‐THIAPORPHYRIN AND TETRAPHENYL‐21,23‐DISELENAPORPHYRIN
Abraham Ulman, J. Manassen, Felix Frolow, D. Rabinovich
Abstract