(4Z)-2,5-dimethyl-4-[phenyl(propylamino)methylene]-2,4-dihydro-3H-pyrazol-3-one 3H-pyrazol-3-one, 2,4-dihydro-2,5-dimethyl-4-[phenyl(propylamino)methylene]-, (4Z)- InChI=1/C15H19N3O/c1-4-10-16-14(12-8-6-5-7-9-12)13-11(2)17-18(3)15(13)19/h5-9,16H,4,10H2,1-3H3/b14-13