Food Color Testing Solutions A and B Set (includes permitted 12 food colors and prohibited 14 colors in Japan /each 4mL) (Sigma Aldrich/Merck/TCI Chemical Grade)
[[(3,5-Dimethyl-1H-pyrrol-2-yl)(3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]methane](difluoroborane) (purified by sublimation) (Sigma Aldrich/Merck/TCI Chemical Grade)