The present application relates to cilazapril intermediates and processes for the preparation of cilazapril intermediates, including (S)-6,11-dioxo-1,2,3,4,6,11-hexahydro-pyridazino[1,2-b]naphthalazine-1-carboxylic acid and its salts.
本申请涉及西拉贾普利中间体及其制备过程,包括(S)-6,11-二氧化-1,2,3,4,6,11-六氢-
吡啶并[1,2-b]
萘嗪-1-
羧酸及其盐。