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1. Molecular information

In this section, you can choose either Molecular Formula or the following two inputs (Molecular Ion Weight, Error) to fill in you data.

Optional, you can specify a formula
Notice, not equal to exact mass.
ppm

2. Multi-stage Mass Spectrum

In this section, you can choose either Molecular Formula or the following two inputs (Molecular Ion Weight, Error) to fill in you data.

Spectrum 1:
Precursor Ion m/z.
Product Ions m/z. Please separate your fragments with the following keyboard: enter or Space bar or , or ;.
Spectrum 2:
Spectrum 3:
Spectrum 4:
Spectrum 5:

3. Submit and Matching

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