海量图书期刊资源，随时随地畅享阅读乐趣
The reaction of 1-nitropropane with formaldehyde and ammonia. 1,3-di-(2-nitrobutyl)-5-ethyl-5-nitrohexahydropyrimidineB. Kamieński; R. Koliński; T. Urbański; M. Witanowski · 1969