10 components: 1000ug/ml each of Phthalic acid, bis-hexyl ester [CAS:84-75-3] ; Phthalic acid, bis-n-pentyl ester [CAS:131-18-0] ; Phthalic acid,bis-2-ethylhexylester [CAS:117-81-7] ; Phthalic acid, bis-methylglycol ester [CAS:117-82-8] ; Phthalic acid, bis-iso-pentyl ester [CAS:605-50-5] ; Dicyclohexyl phthalate [CAS:84-61-7] ; Phthalic acid, benzylbutyl ester [CAS:85-68-7] ; Phthalic acid, bis-butyl ester [CAS:84-74-2] ; Phthalic acid, bis-1-octyl ester [CAS:117-84-0] ; Phthalic acid, bis-iso-