Measured Mass (m/z)

Nitrogen Rule

No. of Nitrogen(s)*

Proposed Formula

Electron Paring

Calculated Mass (m/z)

Error**

(ppm)

386.0783

ON

3

C₁₆H₁₅F₃N₃O₃S⁺

[M+H]⁺

386.0781

0.5

322.1168

ON

3

C₁₆H₁₅F₃N₃O⁺

EE

322.1162

1.9

268.0260

ON

1

C₉H₉F₃NO₃S⁺

EE

268.0250

3.7

222.0753

ON

1

C₉H₁₁F₃NO₂+

EE

222.0736

7.7

220.0585

ON

1

C₉H₉F₃NO₂+

EE

220.0580

2.3

205.0715

ON

1

C₉H₁₀F₃NO^•+

OE

205.0709

2.9

204.0635

ON

1

C₉H₉F₃NO⁺

EE

204.0631

2.0

190.0475

ON

1

C₈H₇F₃NO⁺

EE

190.0474

0.5

136.0759

ON

1

C₈H₁₀NO⁺

EE

136.0757

1.5

119.0605

EN

2

C₇H₇N₂⁺

EE

119.0604

0.8