A compound selected from the group consisting of: ** Formula ** for use in the treatment of hemorrhage due to hypertensive gastropathy, sepsis, severe sepsis, septic shock, prolonged and severe hypotension, intradialitic hypotension, cardiac arrest, blood loss related to a trauma, cardiopulmonary bypass vasodilator shock, milrinone-induced vasodilator shock in congestive heart failure, hepatorenal syndrome type I, anaphylactic shock, cardiovascular instability induced by brain death, for use in the treatment of hypotension in severe sepsis, respiratory distress syndrome acute or acute lung injury, or for use in the treatment of inadequate tissue oxygenation, shock induced by metformin poisoning, mitochondrial disease or cyanide poisoning, vascular leak syndrome induced by interleukin 2 or others, cytokines, diphtheriacin diftitox or others immunotoxins, or without drome of ovarian hyperstimulation, end stage-induced renal disease hypertension, severe burns, thermal injury, reperfusion injury, ascites, vasodepressive syncope, including vasovagal syncope, postural hypotension with syncope or neurocardiogenic syncope, toxic shock syndrome or capillary leak syndrome idiopathic systemic (Clarkson's disease).Un compuesto seleccionado del grupo que consiste en:**Fórmula** para uso en el tratamiento de hemorragia por gastropatía hipertensiva, sepsis, sepsis grave, choque séptico, hipotensión prolongada y grave, hipotensión intradialítica, parada cardiaca, pérdida de sangre relacionada con un traumatismo, choque vasodilatador inducido por derivación cardiopulmonar, choque vasodilatador inducido por milrinona en insuficiencia cardiaca congestiva, síndrome hepatorrenal de tipo I, choque anafiláctico, inestabilidad cardiovascular inducida por muerte cerebral, para uso en el tratamiento de hipotensión en sepsis grave, síndrome de dificultades respiratorias agudas o lesión pulmonar aguda, o para uso en el tratamiento de una oxigenación de tejido inadecuada, choque inducido por in
