2-Butanone, 3-methyl-, (4-(phenylsulfonyl)phenyl)hydrazone 3-Methyl-2-butanone, (4-(phenylsulfonyl)phenyl)hydrazone 3-Methylbutan-2-one (4-(phenylsulphonyl)phenyl)hydrazone 55203-60-6 EINECS 259-530-8