Experimental m/z

(z)

Δ, (Da)

Mass difference

attribution

The whole molecular

formula proposed

Theoretical m/z

Error (ppm)

274.1647

+1

-

-

C₁₃H₂₃N₁O₅

C13H23N1O5

274.1649

0.7

290.1595

+1

15.9948

O₁

C₁₃H₂₃N₁O₆

290.1598

1.0

404.2276

+1

114.0681

C₆H₁₀O₂

C₁₉H₃₃N₁O₈

404.2279

0.7

491.2246

+1

86.9970

C₂H₁N₁O₃

C₂₁H₃₄N₂O₁₁

491.2235

2.2

535.2143

+1

43.9897

CO₂

C₂₂H₃₄N₂O₁₃

535.2134

1.7

579.2041

+1

43.9897

CO₂

C₂₃H₃₄N₂O₁₅

579.2032

1.6

678.3088

+1

143.0946

C₇H₁₃N₁O₂

C₂₉H₄₇N₃O₁₅

678.3080

1.2

824.3663

+1

146.0579

C₆H₁₀O₄

C₃₅H₅₇N₃O₁₉

824.3659

0.5

967.4610

+1

143.0946

C₇H₁₃N₁O₂

C₄₂H₇₀N₄O₂₁

967.4605

0.5

1097.5237

+1

130.0630

C₆H₁₀O₃

C₄₈H₈₀N₄O₂₄

1097.5235

0.2

1240.6178

+1

143.0946

C₇H₁₃N₁O₂

C₅₅H₉₃N₅O₂₆

1240.6182

0.3

1370.6804

+1

130.0630

C₆H₁₀O₃

C₆₁H₁₀₃N₅O₂₉

1370.6811

0.5

685.8442

+2

685.8442

<0.1

764.3992

+2

157.1103

C₈H₁₅N₁O₂

C₆₉H₁₁₈N₆O₃₁

764.3993

1.3

786.3954

+2

43.9898

CO₂

C₇₀H₁₁₈N₆O₃₃

786.3943

1.4