..
,
, .
1.
: ..
, . ( , ) . . .
. 4 (, B, C, D), . . (, , , ).
-2 -2 (. 1.) - , QuEChERS. -2, -2 0,03-3 / . , QuEChERS. - (). 1 , 0,08.
QuEChERS , (. 2.).
. 1. : T-2 - R1=OH, R2=R3=OCH3, R4=H, R5=OCOCH2CH(CH3)2, HT-2 - R1=R2=OH, R3=OCH3, R4=H, R5=OCOCH2CH(CH3)2
. 2. , QuEChERS () QuEChERS (): 1 - -2; 2 - -2