2-(3-Carboxypropyl)-4,4-dimethyl-2-tridecyl-3-oxazolidinyloxy; 2-(3-Carboxypropyl)-2-tridecyl-4,4-dimethyl oxazoline-3-oxyl; 2-(3-Carboxypropyl)-4,4-dimethyl-2-tridecyl-3-oxazolidinyloxyl; 5-DSA; 5-Doxylstearate; 5-Doxylstearic acid; 5-Nitroxystearate; 5-SASL; 5NS; K 5D; K 5D (spin probe); 2-?(3--Carboxypropyl)?-?4,?4-?dimethyl-?2-?tridecyl-3-?oxazolidinyloxy