O la matou fale gaosi oloa e tuʻuina atu 2-bromofluorobenzene cas 1072-85-1, N, N-dimethylformamide dimethyl acetal cas 4637-24-5, 5-heptylresorcinol cas 500-67-4. O a tatou oloa e masani ona faʻatau atu ile fale ma fafo. Ua matou manumalo i le viia mai tagata faʻatau ma le maualuga, tau talafeagai ma le auaunaga atoatoa.