since the hydrophilicity of the nonionic compounds , ioxilan and iohexol , is similar , while ioxilan 's osmolality is substantially lower , the endothelial changes detected by electron microscopy and induced by the cm are attributable to their chemical properties , whereas the loss of dilator response appears to be mediated by high osmolality .
C0022005
iohexol
C0063829
osmolality