Phosphonic acid,[2-[[[9-(diphenylmethoxy)-7-[(4-fluorophenyl)methyl]-7,8-dihydro-8-oxo-6H-pyrrolo[3,4-g]quinolin-5-yl]carbonyl](2-pyridinylmethyl)amino]ethyl]-,diethyl ester
CAS No. 871469-65-7