<?xml version='1.0' encoding='utf-8'?><sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://support.drugbank.com/__sitemaps/ce43b04f-6aec-4f04-900d-74f28a8a3998/sitemap.xml</loc></sitemap></sitemapindex>