使用beautifulsoup解析下面的网页要求提取出药品名规格批准文号生产厂家jpg图片地址 li class= div class=info medicineInfo rel=631584 a href=wwwyaofangwangcommedicine63158

代码如下：

from bs4 import BeautifulSoup

html = """
<li class="">
    <div class="info medicineInfo" rel="631584">
        <a href="//www.yaofangwang.com/medicine/631584/" title="摩罗丹 - 邯郸制药股份有限公司" class="photo sc_medicine" data-brand_name="" data-platform_commodity_id="631584" data-pharmacy_commodity_id="" data-commodity_name="摩罗丹" data-commodity_price="18" target="_blank">
            <img src="//c1.yaofangwang.net/common/images/loadingimg.gif" data-original="//c1.yaofangwang.net/21/2225/6595e0ad232fa574d126c0e9e12344f5.jpg_300x300.jpg" alt="摩罗丹" class="autoimg">
        </a>
        <p class="money big">
            ¥<span class="ybfont_ml3">&#x31ED;&#xB899;.&#xD6C2;&#xD6C2;</span>
        </p>
        <a href="//www.yaofangwang.com/medicine/631584/" class="txt sc_medicine" title="摩罗丹" data-brand_name="" data-platform_commodity_id="631584" data-pharmacy_commodity_id="" data-commodity_name="摩罗丹" data-commodity_price="18" target="_blank">
            <i class="icon_otc fl"></i>
            &nbsp;摩罗丹
        </a>
        <p class="st">规格：9gx9丸/盒</p>
        <p class="st">剂型：大蜜丸剂</p>
        <p class="ph">
            批准文号：
            <span class="ybfont">国药准字Z&#x31ED;&#x398D;&#xD6C2;&#x9F43;&#x31ED;&#x398D;&#x9F43;&#x0ED3;</span>
        </p>
        <p class="n">生产厂家：邯郸制药股份有限公司</p>
        <div class="_EMPTYLINK" style="padding-top: 22px;"></div>
        <div class="op">
            <span>共<b>223</b>个商家有售</span>
            <a href="//www.yaofangwang.com/medicine/631584/" class="sc_medicine" data-brand_name="" data-platform_commodity_id="631584" data-pharmacy_commodity_id="" data-commodity_name="摩罗丹" data-commodity_price="18" target="_blank">查看详情</a>
        </div>
    </div>
</li>
<li class="">
    <div class="info medicineInfo" rel="244106">
        <a href="//www.yaofangwang.com/medicine/244106/" title="红源达 多糖铁复合物胶囊 - 上海医药集团青岛国风药业股份有限公司" class="photo sc_medicine" data-brand_name="红源达" data-platform_commodity_id="244106" data-pharmacy_commodity_id="" data-commodity_name="多糖铁复合物胶囊" data-commodity_price="18.99" target="_blank">
            <img src="//c1.yaofangwang.net/common/images/loadingimg.gif" data-original="//c1.yaofangwang.net/21/3970/cc1841b22e3d4f7ccc6e5b18b6994c5c.jpg_300x300.jpg" alt="红源达 多糖铁复合物胶囊" class="autoimg">
        </a>
        <p class="money big">
            ¥<span class="ybfont_ml3">&#x31ED;&#xB899;.&#xD0AC;&#xD0AC;</span>
        </p>
        <a href="//www.yaofangwang.com/medicine/244106/" class="txt sc_medicine" title="红源达 多糖铁复合物胶囊" data-brand_name="红源达" data-platform_commodity_id="244106" data-pharmacy_commodity_id="" data-commodity_name="多糖铁复合物胶囊" data-commodity_price="18.99" target="_blank">
            <i class="icon_otc fl"></i>
            &nbsp;红源达 多糖铁复合物胶囊
        </a>
        <p class="st">规格：0.15gx10粒/盒</p>
        <p class="st">剂型：硬胶囊剂</p>
        <p class="ph">
            批准文号：
            <span class="ybfont">国药准字H&#x9F43;&#xD6C2;&#xD6C2;&#x398D;&#xD6C2;&#xD6C2;&#x398D;&#x398D;</span>
        </p>
        <p class="n">生产厂家：上海医药集团青岛国风药业股份有限公司</p>
        <div class="_EMPTYLINK" style="padding-top: 22px;"></div>
        <div class="op">
            <span>共<b>217</b>个商家有售</span>
            <a href="//www.yaofangwang.com/medicine/244106/" class="sc_medicine" data-brand_name="红源达" data-platform_commodity_id="244106" data-pharmacy_commodity_id="" data-commodity_name="多糖铁复合物胶囊" data-commodity_price="18.99" target="_blank">查看详情</a>
        </div>
    </div>
</li>
<li class="">
    <div class="info medicineInfo" rel="281743">
        <a href="//www.yaofangwang.com/medicine/281743/" title="五子衍宗丸 - 北京同仁堂股份有限公司同仁堂制药厂" class="photo sc_medicine" data-brand_name="" data-platform_commodity_id="281743" data-pharmacy_commodity_id="" data-commodity_name="五子衍宗丸" data-commodity_price="19.47" target="_blank">
            <img src="//c1.yaofangwang.net/common/images/loadingimg.gif" data-original="//c1.yaofangwang.net/18/3892/cae979c2a62d2f2989b516d33681e1a7.jpg_300x300.jpg" alt="五子衍宗丸" class="autoimg">
        </a>
        <p class="money big">
            ¥<span class="ybfont_ml3">&#x31ED;&#xD0AC;.&#x9220;&#x69E5;</span>
        </p>
        <a href="//www.yaofangwang.com/medicine/281743/" class="txt sc_medicine" title="五子衍宗丸" data-brand_name="" data-platform_commodity_id="281743" data-pharmacy_commodity_id="" data-commodity_name="五子衍宗丸" data-commodity_price="19.47" target="_blank">
            <i class="icon_otc fl"></i>
            &nbsp;五子衍宗丸
        </a>
        <p class="st">规格：60g/瓶</p>
        <p class="st">剂型：水蜜丸剂</p>
        <p class="ph">
            批准文号：
            <span class="ybfont">国药准字Z&#x31ED;&#x31ED;&#xD6C2;&#x9F43;&#xD6C2;&#x31ED;&#xB899;&#xB899;</span>
        </p>
        <p class="n">生产厂家：北京同仁堂股份有限公司同仁堂制药厂</p>
        <div class="_EMPTYLINK" style="padding-top: 22px;"></div>
        <div class="op">
            <span>共<b>216</b>个商家有售</span>
            <a href="//www.yaofangwang.com/medicine/281743/" class="sc_medicine" data-brand_name="" data-platform_commodity_id="281743" data-pharmacy_commodity_id="" data-commodity_name="五子衍宗丸" data-commodity_price="19.47" target="_blank">查看详情</a>
        </div>
    </div>
</li>
"""

soup = BeautifulSoup(html, "html.parser")
lis = soup.find_all("li")
for li in lis:
    name = li.find("a", class_="txt").get("dat