英文名称:angiotensin I, (beta-(4-pyridyl-1-oxide)-Ala(4))-; Angiotensin I, (beta-(4-pyridyl-1-oxide)-ala(4))-; 4-Poa-ang I; Angiotensin I, (beta-(4-pyridyl-1-oxide)-alanine(4))-; beta-(4-Pyridyl-1-oxide)-4-ala-angiotensin I; L-alpha-aspartyl-N~5~-(diaminomethylidene)-L-ornithyl-L-valyl-3-(1-oxidopyridin-4-yl)-D-a