title: Solvent effects on the spectra of retinal Schiff bases--II. models for convergence and clustering of visual pigment spectra.
mesh_terms: D012168:Retinal Pigments; D012172:Retinaldehyde; D012545:Schiff Bases; D012997:Solvents; D013057:Spectrum Analysis
chemical_list: D012168:Retinal Pigments; D012545:Schiff Bases; D012997:Solvents; D012172:Retinaldehyde