(B)

Compounds	Molecular Formula	Molecular Weight	Q1 Mass (m/z)
Sterols
Sitgmasterol	C29H48O	412.69	413 [M + H]+
β-sitosterol	C29H50O	414.71	437 [M + Na]+
Triterpenoid
Lupeol	C30H50O	426.72	449 [M + Na]+
Flavonoids
Kaempferol	C15H10O6	286.23	287 [M + H]+
Isorhamnetin	C16H12O7	316.26	317 [M + H]+
Quercetin	C15H10O7	302.24	303 [M + H]+