Synonyms: P-1003;Guanidine, (2,3-dihydro-1,4-benzodioxin-2-ylmethyl)-, sulfate (2:1);Guanidine,[(2,3-dihydro-1,4-benzodioxin-2- yl)methyl]-,sulfate (2:1);Guanutil;Envacar;(1,4-Benzodioxan-2-ylmethyl)guanidine sulfate (2:1);P 3/01003;P 1003;GUANIDINE, (1,4-BENZODIOXAN-2-YLMETHYL)-, SULFATE (2:1);(1,4-Benzodioxan-2-ylmethyl)guanidine sulfate;Guanoxon sulfate;(N-(7,10-dioxabicyclo[4.4.0]deca-1,3,5-trien-9-ylmethyl)carbamimidoyl)azanium sulfate;Guanoxane sulfate;Guanoxan sulfate (USAN;Compound 1003;Guanidine, [ (2,3-dihydro-1, 4-benzodioxin-2-yl)methyl]-, sulfate (2:1);Guanoxani sulfas;Guanoxan sullfate;