10.1
[1]. Nicholas A Boyle, et al. Synthesis of , -dideoxynucleoside 5 -alpha-P-borano-beta,gamma-(difluoromethylene)triphosphates and their inhibition of HIV-1 reverse transcriptase. J Med Chem. 005 Apr 7;48(7):95-700.
H0-H15-H19-H5
P1-P4-P70-P71-P80-P0+P5-P04+P40-P05+P51+P8-P0-P+P4-P40+P-P405-P501