Photoresist Chemicals 1H-Benzimidazolium,1,1′-(1,4-butanediyl)bis- [3,5,6-trimethyl-,diiodide Cas：58489-49-9 Molecular Formula：1H-Benzimidazolium,1,1′-(1,4-butanediyl)bis- [3,5,6-trimethyl-,diiodide