ω-Pentadecalactone is the fragrance structural group macrocyclic lactone and lactide derivatives used as a fragrance ingredient.

Protocatechuic acid (PCA) is a dihydroxybenzoic acid, a type of phenolic acid.

Octadecyl Rhodamine B chloride, also known as RBOE, is a polarity-sensitive dye that is often used as a chromophore with other compounds to stain cell membranes and has applications in the assembly of organic molecules, in membrane structures and in the transfer of electron energy in the structural domains of proteins.