40.4
[1]. Olli Laine, et al. Characterization of polyesters prepared from three different phthalic acid isomers by CID-ESI-FT-ICR and PSD-MALDI-TOF mass spectrometry. Anal Chem. 00 Aug 15;74(1):450-8.
H30-H315-H319-H335
P1-P4-P70-P71-P80-P30+P35-P304+P340-P305+P351+P338-P330-P3+P34-P403+P33-P405-P501