methyl 2-[2-[2-[(2-methylpropan-2-yl)oxycarbonylamino]icosanoylamino]icosanoylamino]icosanoate 生成 methyl 2-[2-[2-[[(6R)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbonyl]amino]decanoylamino]decanoylamino]decanoate;hydroxide