| 4-((p-chlorophenyl)azo)-3-methyl-5-oxo-2-pyrazoline-1-carboxamidin hydrochl |
| 4-((p-chlorophenyl)azo)-3-methyl-5-oxo-2-pyrazoline-1-carboxamidine hydrochlo |
| 4-(4'-chlor-phenyl-azo)-3-methyl-pyrazolon-(5)-yl-1-amidin hydrochlorid |
| f 2353 |
| 4-((p-chlorophenyl)azo)-3-methyl-5-oxo-2-pyrazoline-1-carboxamidin hydrochloride |
