Table 1.

Summary of H₄ Chemical Shifts (in ppm) of the SAP and TSAP Isomers (When Observed) in the LnDOTA, LnDOTA–(gly)₄, LnDOTMA, and LnDOTMA–(gly)₄ Complexes^a

Ln3+	DOTA15,16		DOTA–(gly)410,12,15		DOTMA		DOTMA–(gly)4
	SAP	TSAP	SAP	TSAP	SAP	TSAP	SAP	TSAP
Ce		−14	14	12	−24	−13	−20	−9
Pr		−28		−30	−51	−33	−43	−25
Nd	−26	−12	−16		−27	−13	−22	−8
Sm	−6		10		−5	−1	−3	1
Eu	31	10	25		41	20	35	16
Tb	−405	−244	−320		−469	−375	−394	−229
Dy	−478	−295	−375		−540	−425	−462	−268
Ho	−247	−141	−176		−287	−207	−229	−111
Er	150		113		274	215	154	59
Tm	468	366	243		622	491	337	180
Yb	154	86	99		166	96	122	54

^aThe chemical shifts were measured in D₂O, 298 K, pD = 7, except the ¹H spectrum of HoDOTA–(gly)₄ that was measured in H₂O.