17 alpha(H),21 alpha(H)-Hopane, 50µg/mL in Isooctane, 1ml

Bis(2-ethylhexyl)-3,4,6-tribromo phthalate,50 µg/mL ,toluene,1mL,

Phenylethanolamine A, 10mg

Tebuthiuron, 250mg