2-((p-Acetylphenyl)azo)-2-cyanoacetic acid methyl ester amidinohydrazone hydrochloride 4-Acetyl-phenyl-azo-cyanessigsaeure-methyl-ester-amino-guanidon hydrochlorid [German] AF1675000 Acetic acid, 2-((p-acetylphenyl)azo)-2-cyano-, methyl ester, amidinohydrazone, hydrochloride F 2328