1-(alpha-Naphthyl)-2-(2-aminoethyl)isothiouronium sulfate 63680-02-4 Pseudourea, 2-(2-aminoethyl)-1-(alpha-naphthyl)-2-thio-, hydrogen sulfate Pseudourea, 2-thio-, 1-(alpha-naphthyl)-2-(2-aminoethyl)-, sulfate USAF B-76