Table 3.

List of ions observed in fraction eluted with H₂O and CH₃CN (1:1) ^a, using LC-ESI-LTQ-Orbitrap in Positive-ion Mode ^b.

Ion	Retention Time (min)	Detected [M+H]+	∆ m/z (ppm)	Ion Formula	Mean Intensity	δRIA (%)
Piscibactin-Ga(III)	12.08	519.99280	3.1	12C19H2169GaN3O4S3+	5.8 × 106	-
		520.99603	3.4	13C112C18H2169GaN3O4S3+	1.1 × 106	−5.3
		521.99127	4.4	12C19H2171GaN3O4S3+	4.6 × 106	-
		522.99481	4.1	13C112C18H2171GaN3O4S3+	8.0 × 105	5.9

^a Fraction mass 16.9 mg. ^b Fraction L3 was mixed with 3 µL of a 12 mg/mL solution of GaBr₃/H₂O just before injection.