In silico ecotoxicity assessment of photoinduced imidacloprid degradation using HPLC–HRMS, QSAR and ecotoxicity equivalents

Environmental Sciences Europe

Table 2 Identified photoinduced degradation and transformation products of imidacloprid

Substance	RT/min	[M + H]⁺_exact	[M + H]⁺_accurate	Δ ppm	References
Imidacloprid	5.82	256.0596	256.0594	0.78
Imi288	5.34	288.0494	288.0500	2.08	[47, 49,50,51,52]
Imi281	4.75	281.1163	281.1166	1.07	This study
Imi272	5.00	272.0545	272.0546	0.37	[47, 51,52,53,54,55,56,57]
Imi243a	3.79	243.0643	243.0640	1.23	This study
Imi243b	3.95	243.0643	243.0642	0.41	This study
Imi228	4.79	228.0534	228.0531	1.32	[56, 58]
Imi227	4.14	227.0694	227.0695	0.44	[48]
Imi226a	4.88	226.0378	226.0376	0.88	This study
Imi226b	4.80	226.0378	226.0375	1.33	This study
Imi225	4.29	225.0538	225.0539	0.44	This study
Imi224	3.82	224.0697	224.0701	1.79	[49]
Imidacloprid-urea	4.22	212.0585	212.0586	0.47	[47,48,49, 51,52,53,54, 56, 59,60,61,62,63,64,65,66,67,68,69]
Desnitro-imidacloprid	4.79	211.0745	211.0743	0.95	[47,48,49, 52, 60, 61, 65, 67, 69]
Desnitro-olefin-imidacloprid	4.01	209.0589	209.0593	0.48	[47, 48, 54, 57]
Imi197	1.30	197.1033	197.1034	0.51	This study
Imi194	3.98	194.0924	194.0923	0.52	[48]
Imi193	2.00	193.1084	193.1082	1.04	[48]