. "Selective vasopressin V2 antagonist (sometimes called aquaretics)" . "Vasopressin receptor antagonist" . "Vasopressin receptor antagonist" . . "vasopressin receptor antagonist" . "vasopressin-2 receptor antagonist" . . "vasopressin receptor 2 (V₂) antagonist" . "vaptan" . "Vasopressin receptor antagonist#Vaptans" . . "Vasopressin antagonist" .