Aromatic Chromophores with S and N Hetero-atoms

C3-sn5 c-c n 6 l-ethyl-2, 5 -dlmethyl-1 -phenyl-6,7-dihydro-4H-pyrano[4,3-d]thiazolo-3 -pyrrolocarbocyanine iodide 440 S59 8205 

SC2-SN5 c-c C-0N65-C 1, 3-diethyl-6, 7 -dihydro-5 H-oxa-thiopyrano[3,2-d]thiazolocarbo-cyanine iodide 530 S59 8212 

C3-sns c-c c-sn6-C3 1,1 -diethyIbis(6,7-dihydro-4H-pyrano-[4,3-d]thiazolo)carbocyanine iodide 570 S59 8213 

SC2-SN5 c-c C-SN5-SC2 1,1 -diethylbis(6,7-dihydro-5H- thiopyrano[3,2-d]thiazolo)carbocyanine perchlorate 572 S59 8214 

BrClN-SN65 4-bromo-6-chloro-2-(methylamino)benzo- 233 4.6 E4 8274 

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PART 49. AROMATIC CHROMOPHORES WITH S AND N HETERO-ATOMS... 

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