57.2
[1]. W S Hancock, et al. Rapid analysis of -methylhistidine in urine, plasma, muscle and amniotic fluid with a single high-performance liquid chromatographic system but with different ion-pairing reagents. J Chromatogr. 192 Mar 12:22:27-.
H15-H19-H5
P261-P264-P271-P2-P2+P52-P4+P4-P62+P64-P45-P51
GHS7