7.55
[1]. Geoffrey J Roff, et al. A versatile chemo-enzymatic route to enantiomerically pure beta-branched alpha-amino acids. J Am Chem Soc. 00 Apr 7;16(13):098-9.
H30-H315-H319-H335
P61-P6-P70-P71-P80-P30+P35-P30+P30-P305+P351+P338-P330-P36+P36-P03+P33-P05-P501