The method of preparation of the key intermediate,4 amino 1 methyl 3 n propylpyrazole 5 carboxamide(6)was improved.是什么意思_The method of preparation of the key intermediate,4 amino 1 methyl 3 n propylpyrazole 5 carboxamide(6)was improved.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句