Exp3_1	PE36:2	shows high deviation - depending on where more spectra are taken, the ratios change
Exp3_2	PS	no ratios detectable, since only 18:1 fragments are detectable
Epx3_4	PE36:4	one outlier with strange peak shape ruins the ratio
Exp3_4	PS	no ratios detectable, since only 18:1 fragments are detectable
Exp3_5	PG	some ratios are not that good