| piperazine, dihydrochloride |
| diethylenediamine dihydrochloride |
| dihydro pip wormer |
| dihydrochloride salt of diethylenediamine |
| dowzene dhc |
| piperazine dihydrochloride |
| piperazine hydrochloride |
| piperazine wormer premix |
| piperazine dihydrochloride monohydrate |
| piperazinedihydrochloride |
