(delta 3-Pro(7))avp 66185-31-7 7-(3,4-Dehydro-pro)-argipressin Arginine vasopressin, (3,4-dehydro-pro)(7)- Argipressin, (3,4-dehydro-pro)(7)- Argipressin, (3,4-dehydroproline)(7)- DHPAV Vasopressin, 7-(3,4-didehydro-L-proline)-8-L-arginine-