4-(3,4-Dimethoxyphenyl)-2-phenyl-5,6-dihydronaphtho(1,2-b)thiopyrylium trifluoroacetate Naphtho(1,2-b)thiopyrylium, 5,6-dihydro-4-(3,4-dimethoxyphenyl)-2-phenyl-, trifluoroacetate QM0701100