10-Iodo-tyr-17-met-sulfoxide-vasoactive intestinal peptide 10-Iodotyrosine-17-methionine sulfoxide vip 98575-84-9 Vasoactive intestinal peptide, iodo-tyr(10)-met sulfoxide(17)- Vasoactive intestinal peptide, iodotyrosyl(10)-methionine sulfoxide(17)- Vip, iodo-tyr(10)-met sulfoxide(17)-