(p-Phenoxyphenacylidene)hydrazide of 1-pyrrolidineacetic acid hydrochloride 1-Pyrrolidineacetic acid, (p-phenoxyphenacylidene)hydrazide, hydrochloride 5957-01-7 Glyoxal, (p-(phenoxy)phenyl)-, (1-pyrrolidinylacetyl)hydrazone, hyrochloride