using implanted minipumps it was shown over a period of 7 days that the vasopressin antagonist , 1-deamino-pentamethylene-2-d-phe-4-ile-arginine vasopressin , caused increased diuresis in normal rats and reversed vasopressin- or oxytocin-induced antidiuresis in brattleboro rats .
C0011701
pentamethylene
C0003779
vasopressin