TY - GEN TI - Synthesis and Crystal Structure of a Cumulenic Quinoidal Porphyrin Dimer with Strong Electronic Absorption in the Infrared We thank the Engineering and Physical Sciences Research Council (UK) and the Defence Evaluation and Research Agency (DERA, UK) for support and the EPSRC Mass Spectrometry Service in Swansea for FAB mass spectra SN - 1521-3773 PY - 2000/// PB - Angewandte Chemie (International ed. in English) N1 - Publication Type: Journal Article UR - https://doi.org/10.1002/(sici)1521-3773(20000515)39:10<1818::aid-anie1818>3.0.co;2-e ER -