4.06
[1]. Yuhong Ju, et al. Aqueous N-heterocyclization of primary amines and hydrazines with dihalides: microwave-assisted syntheses of N-azacycloalkanes, isoindole, pyrazole, pyrazolidine, and phthalazine derivatives. J Org Chem. 006 Jan 6;71(1):15-41.
H0+H1+H-H15-H19-H5-H50
P61-P64-P70-P71-P80-P0+P5-P04+P40-P0-P6+P64-P405-P501