You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named methyl-[[4-[3-(quinolin-6-ylmethyl)triazolo[4,5-b]pyrazin-5-yl]phenyl]methyl]phosphinic acid is given. What is its corresponding molecular formula?
user
C22H19N6O2P
assistant