LC-MS-Based Metabolic Fingerprinting of Aqueous Humor

Table 4

The list of drugs identified in aqueous humor.

Compound	RT [min]	Monoisotopic mass [Da]	Mass error [ppm]	Fragments	Abundance [counts]	CV [%]
Dexpanthenol	3.1	205.1314	5	P: 188.128, 170.117, 102.054, 76.075, 74.023, 69.069, 58.064		0
	3.1	205.1314	1	N: 174.114, 156.103, 126.092, 102.056, 74.061, 72.046, 71.05, 44.014		1
Timolol	4.4	316.1569	2	P: 261.102, 244.076, 188.048, 74.06, 56.049		0
Tropicamide	4.1	284.1525	3	P: 267.149, 255.149, 135.092		1
Proparacaine	4.8	294.1943	3	P: 222.113, 178.087, 136.039, 100.112		1

P or N indicates polarity in which metabolite was detected, positive or negative, respectively. Abundance is a value representing metabolite intensity calculated by MFE algorithm.