Pyrylium,4-[4-[3-[4-(2,6-diphenyl-4H-pyran-4-ylidene)-2-butenylidene]-2-phenyl-1-cyclopenten-1-yl]-1,3-butadienyl]-2,6-diphenyl-, perchlorate
CAS No. 77375-01-0
Kapton JP 94588-42-8