(4-Nitrobenzoyl)acetic acid ethyl ester (p-Nitrobenzoyl)acetic acid ethyl ester 838-57-3 Acetic acid, (p-nitrobenzoyl)-, ethyl ester Benzenepropanoic acid, 4-nitro-.beta.-oxo-, ethyl ester Ethyl (4-nitrobenzoyl)acetate Ethyl (p-nitrobenzoyl)acetate NSC62134