15427-93-7 4,4'-DIACETYLDIPHENYLUREA BIS(GUANYL-HYDROZONE) 4,4'-Diacetyldiphenylurea is(guanylhydrazone) bismethanesulfonate Carbanilide, 4,4'-diacetyl-, 4,4'-bis(amidinohydrazone), dimethanesulfonate DDUG diMS Hydrazinecarboximidamide, 2,2'-(carbonylbis(imino-4,1-phenyleneethylidyne))bis-, dimethanesulfonate NSC 109555