1-Naphthaleneacetic acid, potassium salt 15165-79-4 86-87-3 EINECS 239-220-9 KANU Potassium 1-naphthaleneacetate Potassium alpha-naphthaleneacetate Potassium alpha-naphthylacetate Potassium naphthalene-1-acetate alpha-Naphthaleneacetic acid potassium salt alpha-Naphthylacetic acid potassium salt