Phosphonic acid,[3-[3-[[[3-[[1-[4-[(diethylamino)sulfonyl]phenyl]-4,5-dihydro-5-oxo-1H-pyrazol-3-yl]amino]phenyl]amino]carbonyl]phenoxy]propyl]-, dibutyl ester
CAS No. 54178-68-6
CRC 11451 57541-75-0