Table 2. MS conditions of compounds.

Compound	Parameters
	Compound-dependent							Source-dependent
	m/z (Da)	ion pairs (Da)	DP a (Volt)		CE b (Volt)	CXP c (Volt)		CUR d (psi)	IS e (Volt)	TEM (℃)	GS1 f (psi)	GS2 g (psi)
Ceftazidime	547.1		27					25	5,500	550	40	60
		→167.2		35		3
		→468.1		17		7
Minocycline	458.2		46					25	4,000	550	60	60
		→441.2		26		7
		→283.3		51		4
		→337.3		60		3
Cefotaxime	456.0		30					25	5,500	550	40	60
		→396.1		8		6
		→167.1		31		3
		→324.1		18		4
Netilmicin	476.2		55					10	5,500	400	40	60
		→299.2		27		3
		→191.5		32		3
		→160.1		31		3
		→458.4		12		7

^aDP, declustering potential;

^bCE, collision energy;

^cCXP, cell exit potential;

^dCUR, curtain gas;

^eIS, ion spray voltage;

^fGS1, nebulizer gas;

^gGS2, turbo gas.