80498-14-2 A1-4-Azidophenylacetyl-2,4-diaminobutyric acid insulin Apa-dab-insulin Insulin, 1A-(N4-((4-azidophenyl)acetyl)-D-2,4-diaminobutanoic acid)-8A-L-threonine-10A-L-isoleucine- Insulin, 4-(azidophenylacetyl)-2,4-diaminobutyric acid(A1)-