1-Ethyl-2-((1-ethylnaphtho(1,2-d)thiazolin-2-ylidene)methyl)naphtho(1,2-d)thiazolium iodide 18474-32-3 NAPHTHO(1,2-d)THIAZOLIUM, 1-ETHYL-2-((1-ETHYLNAPHTHO(1,2-d)THIAZOLIN-2-YLIDENE)M Naphtho(1,2-d)thiazolium, 1-ethyl-2-((1-ethylnaphtho(1,2-d)thiazolin-2-ylidene)methyl)-, iodide