4-Amino-3-penten-2-one1118-66-732 % similar 2-Oxopropanal 1-oxime306-44-532 % similar Isonitrosoacetone31915-82-932 % similar Furfurylideneacetone623-15-431 % similar 4-(2-Thienyl)-3-buten-2-one874-83-931 % similar 4-Methoxy-3-penten-2-one2845-83-230 % similar