. 2022 Feb 4;13:812587. doi: 10.3389/fphar.2022.812587

TABLE 1.

Mass spectrum parameters of the main components in MRM mode.

References substance	Parent ions	Ion pairs	Cone voltage (V)	Capillary voltage (V)
Matrine	[M + H]⁺	249.221→148.086	56	26
Matrine	[M + H]⁺	249.221→97.945	56	32
Sophocarpine	[M + H]⁺	247.21→136.05	60	24
Sophocarpine	[M + H]⁺	247.21→95.99	60	32
Sophoridine	[M + H]⁺	249.22→97.9	70	24
Sophoridine	[M + H]⁺	249.22→83.99	70	30
Oxymatrine	[M + H]⁺	265.22→205.18	62	22
Oxymatrine	[M + H]⁺	265.22→97.96	62	28
Oxysophocarpine	[M + H]⁺	263.14→136.16	56	26
Oxysophocarpine	[M + H]⁺	263.14→96.01	56	30