CONSTITUTION:A yellow colored solid substance, obtained by using a C-type riboflavin butyric acid ester in riboflavin butyric acid esters regarded as having the highest safety as a coloring matter and coloring the afore-mentioned substance to be colored, preferably a powdery or granular drug ...
CONSTITUTION:A yellow colored solid substance, obtained by using a C-type riboflavin butyric acid ester in riboflavin butyric acid esters regarded as having the highest safety as a coloring matter and coloring the afore-mentioned substance to be colored, preferably a powdery or granular drug ...
CONSTITUTION:A yellow colored solid substance, obtained by using a C-type riboflavin butyric acid ester in riboflavin butyric acid esters regarded as having the highest safety as a coloring matter and coloring the afore-mentioned substance to be colored, preferably a powdery or granular drug ...