Einecs 286-113-8

1-[[1-benzyl-4,5-dihydro-5-oxo-1H-pyrazol-3-yl]amino]-1-oxodocosane-2-sulphonic acid

1-[[(4,5-Dihydro-5-oxo-1-phenylmethyl-1H-pyrazol)-3-yl]amino]-1-oxo-2-docosanesulfonic acid