100700-29-6 4-((4-Hydroxybutyl)nitrosamino)butyric acid methyl ester acetate (ester) BUTYRIC ACID, 4-((4-HYDROXYBUTYL)NITROSAMINO)-, METHYL ESTER, ACETATE Cmpabn Mcpabn N-(3-Carbomethoxypropyl)-N-(1-acetoxybutyl)nitrosamine N-(3-Methoxycarbonylpropyl)-N-(1-acetoxybutyl)nitrosamine