2-(o-Chlorophenyl)-5-imino-delta(sup 2)-1,3,4-oxadiazoline hydrochloride hydrate 5711-56-8 delta(sup 2)-1,3,4-OXADIAZOLINE, 2-(o-CHLOROPHENYL)-5-IMINO-, HYDROCHLORIDE, HYD delta(sup 2)-1,3,4-Oxadiazoline, 2-(o-chlorophenyl)-5-imino-, hydrochloride, hydrate