Naphthopyran compounds, photoresponsive compositions and lenses
Naphthopyrans and phenanthropyrans annelated in C5-C6 with a...
Naphthopyrans annelated in C5-C6 with a lactam-type C6 ring...
Naphthopyrans annelated in C5-C6 with a...
Naphthopyrans annelated in C5-C6 with an indene- or...
Naphthopyrans annelated in C6-C7, their preparation and...
Naphthopyrans having a perfluoroalkyl substituent in...
Naphthopyrans with a heterocycle in the 5, 6-position,...
Neutral coloring photochromic 2H-naphtho[1,2-b]...
Non-linear optical device material composition
Nonlinear optical material with nano-sized dendrimer structure