. 2019 Nov 28;6:294. doi: 10.1038/s41597-019-0305-1

Table 1.

Metabolites annotated by the GNPS libraries.

Source	m/z	RT (min)	MS/MS identification	CScore	m/z error (ppm)	Shared peaks	Literature
Hypogymnia physodes	485.1810	5.95	3-Hydroxyphysodic acid	0.65	10	13	Yes^79,80
	511.1925	7.33	Alpha-alectoronic acid	0.82	4	19	Yes⁷⁹
	373.0924	8.8	Atranorin	0.85	4	7	Yes^79–82
	407.0558	8.89	Chloroatranorin	0.87	1	7	Yes^79,81,82
	331.0828	8.71	Evernic acid	0.56	2	5	No
	443.2071	8.46	Perlatolic acid	0.62	17	5	No
	415.0709	6.59	Physodalic acid	0.93	34	13	Yes^79–82
	469.1878	8.16	Physodic acid	0.73	15	8	Yes^79–81
	373.0551	4.93	Protocetraric acid	0.85	18	10	Yes^79,81
	387.0366	4.29	Salazinic acid	0.88	22	12	No
	343.0823	8.71	Usnic acid	0.80	18	4	Yes^82,83
Evernia prunastri	511.1925	7.33	Alpha-alectoronic acid	0.82	4	19	No
	373.0924	8.8	Atranorin	0.85	4	7	Yes^{76,77,84–87}
	407.0558	8.89	Chloroatranorin	0.87	1	7	Yes^{76,77,84–88}
	331.0828	8.71	Evernic acid	0.56	2	5	Yes^{76,77,84–87}
	317.0660	7.42	Lecanoric Acid	0.75	14	4	No
	443.2071	8.46	Perlatolic acid	0.62	17	5	No
	415.0709	6.59	Physodalic acid	0.93	34	13	No
	469.1878	8.16	Physodic acid	0.73	15	8	Yes⁷⁷
	343.0823	8.71	Usnic acid	0.80	18	4	Yes^{76,77,84–87}
Ophioparma ventosa	387.1474	9.07	Divaricatic acid	0.84	18	12	Yes^28,73,89
	331.0828	8.71	Evernic acid	0.56	2	5	No
	443.2071	8.46	Perlatolic acid	0.62	17	5	No
	469.1878	8.16	Physodic acid	0.73	15	8	No
	373.0551	4.93	Protocetraric acid	0.85	18	10	No
	415.1786	9.63	Stenosporic acid	0.87	19	7	Yes⁷³
	419.0460	10.4	Thamnolic acid	0.86	42	8	Yes^28,73,89
	343.0823	8.71	Usnic acid	0.80	18	4	Yes^28,73,89