The powers that be have a vested interest in you being utterly confused by a financial system where a series of simple mistakes can leave you in debt for the rest of your life.
The paper mentions that 'Introducing N-oxides onto the tetrazole ring may ... push the limits of well-explored tetrazole chemistry into a new, unexplored, dimension', but (of more immediate importance) it may also push pieces of your lab equipment into unexplored parts of the far wall.