(4-Chlorophenoxy)acetic acid 2-(2-(tetrahydro-1,4,5-oxadiazepin-4(5H)-yl)ethyl)hydrazide HCl 87654-82-8 Acetic acid, (4-chlorophenoxy)-, 2-(2-(tetrahydro-1,4,5-oxadiazepin-4(5H)-yl)ethyl)hydrazide,monohydrochloride