Observed molecular weight (m/z)

Theoretical

mass

Chemical

formula

Molecular ion with adduct

431.2201

431.2428

C₂₅H₃₅O₆

(M + H)⁺

448.2576

448.2682

C₂₅H₃₈O₆N

(M + NH₄)⁺

453.2227

453.2247

C₂₅H₃₄O₆Na

(M + Na)⁺

469.1876

469.1987

C₂₅H₃₄O₆K

(M + K)⁺