neopentylglycolycol bis acetoacetate

2,2-Dimethyl-1,3-propanediyl acetoacetate

Acetoacetic acid 2,2-dimethyltrimethylene ester

2,2-DiMethylpropane-1,3-diyl bis(3-oxobutanoate)

3-oxobutanoic acid 2,2-dimethyl-1,3-propanediyl ester