Amiloride Hydrochloride Dihydrate - API (IP); 3,5-Diamino-N-carbamimidoyl-6-chloropyrazine-2-carboxamide Hydrochloride Dihydrate; Pyrazinecarboxamide, 3,5-diamino-N-(aminoiminomethyl)-6-chloro-, monohydrochloride, Dihydrate; N-Amidino-3,5-diamino-6-chloropyrazinamide hydrochloride Dihydrate; Pyrazinecarboxamide, 3,5-diamino-N-(aminoiminomethyl)-6-chloro-, monohydrochloride dihydrate; N-Amidino-3,5-diamino-6-chloropyrazinecarboxamide monohydrochloride dihydrate;