(E)-(1aS,3aR,6bR)-1-oxo-5-(2-pyridin-3-yl-vinyl)-1a,2,3,3a,4,6b-hexahydro-1H-2,6a-diaza-cyclobut[cd]indene-6-carboxylic acid trifluoroacetate 、
乙酰氯 生成 (E)-(1aS,3aR,6bR)-2-acetyl-1-oxo-5-(2-pyridin-3-yl-vinyl)-1a,2,3,3a,4,6b-hexahydro-1H-2,6a-diaza-cyclobut[cd]indene-6-carboxylic acid sodium salt