Novobiocin (Streptonivicin), Pubchem ID 54675769 , mzCloud Number 1663, Wei Wei Thermo Fisher Scientific, San Jose Ca, HCD 10 NCE, 12.26 eV, positive ion mode, MS-MS on 613.24. Excel Add-In default settings, 205 seconds analysis time.
mass	intensity
73.06479	6
85.02841	9
125.0597	19
143.07032	2
157.08592	16
186.07608	14
189.091	34
218.1023	100
345.1693	7.6
396.1442	54.5
406.1857	2.8
613.2392	52.5