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Bromophene standard

SpiramycinⅠ standard

Etiproston tromethamine standard

Sulfabromomethazine standard

Sulfaethoxypyridazine standard

Sulfanitran standard

Sulfatroxazole standard

Methyl cis-11-octadecenoate standard

Methyl 9,12-octadecadienoate standard (mixture of cis- and trans-)

Methyl 9,12,15-octadecatrienoate standard (mixture of cis- and trans-)