Vitamin A acetate [1-14C]

Retinyl palmitate [palmitoyl-1-14C]

Retinyl palmitate [palmitoyl-9,10-3H]

Vitamin A propionate [1-14C]

Retinyl [15-3H] palmitate

6-Deoxy-L-mannose [3H(G)]

Rhodamine B [3H(G)] hexyl ester perchlorate

2-Thioxo-4-thiazolidinone-3-acetic acid

Ribitol, D-[1-14C]

Riboflavin [14C]