4-((Z)-2-(2-chloro-3-(2-(2-phenyl-4H-thiochromen-4-ylidene)ethylidene)cyclohex-1-en-1-yl)vinyl)-2-phenylthiochromenylium perchlorate;4H-1-Benzothiopyran, 1-benzothiopyrylium deriv.; Dye 26; IR 26; NSC 379522;
4-((Z)-2-(2-chloro-3-(2-(2-phenyl-4H-thiochromen-4-ylidene)ethylidene)cyclohex-1-en-1-yl)vinyl)-2-phenylthiochromenylium perchlorate;4H-1-Benzothiopyran, 1-benzothiopyrylium deriv.; Dye 26; IR 26; NSC 379522;