Flucetosulfuron;Flucetosulfuron@1000 μg/mL in Acetonitrile;Flucetosulfuron Standard (mixture of isomers);Flucetosulfuron@100 μg/mL in Acetonitrile;Acetic acid, 2-methoxy-, 1-[3-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-2-pyridinyl]-2-fluoropropyl ester;LGC 42153;LGC42153;LGC-42153