Sigma-Aldrich
Copper-beryllium alloy, Cu98Be2
Curcuminoids
Cyclopentanecarbothioamide
D-3-Aminoisobutyric acid
D-α-Methyl-β-alanine
D102 Dye
DBP
5,10,15,20-Tetraphenylbisbenz[5,6]indeno[1,2,3-cd:1′,2′,3′-lm]perylene