Table 7.

Precursor and product ions (m/z) TTX analogues and MRM conditions.

Toxins	Precursor Ion	Product Ion	CE	Frag	CAV	Polarity
11-norTTX-6(R/S)-ol	290	272	24	152	2	Positive
		162	40
11-oxo-TTX	336	162	40	152	2	Positive
		318	24
1-hydroxy-8-epi-5,6,11-trideoxyTTX	288	162	40	152	2	Positive
		270	24
4,9-anhydroTTX 6-epi-4,9-anhydroTTX	302	162	40	152	4	Positive
		256	28
4-anhydro-8-epi-5,6,11-trideoxyTTX	254	162	40	152	2	Positive
		236	24
5,6,11-trideoxyTTX 8-epi-5,6,11-trideoxyTTX	272	162	40	152	2	Positive
		254	24
5-deoxyTTX 11-deoxyTTX	304	176	40	152	2	Positive
		286	24
6,11-dideoxyTTX	288	224	40	152	2	Positive
		270	24
TTX; TDA 4-epiTTX; 6-epiTTX	320	162	36	160	2	Positive
		302	24