4H-Pyrido[1,2-a]pyrimidine-3-carboxylic acid,9-[(dimethylamino)methylene]-6,7,8,9-tetrahydro-8-methyl-4-oxo-, ethylester, (E)-
CAS No. 85808-47-5
epithane-3 77190-13-7
(1S,5S)-3-氧杂二环[3.3.0]辛-6-烯-2-酮
甲醛化亚硫酸氢钠半水合物