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Claude-SearchBot\nUser-agent: Claude-User\nUser-agent: PerplexityBot\nUser-agent: Perplexity-User\nUser-agent: Google-CloudVertexBot\nUser-agent: Google-GeminiNotebook\nUser-agent: Google-Agent\nUser-agent: Applebot\nUser-agent: meta-webindexer\nUser-agent: meta-externalfetcher\nUser-agent: Amzn-SearchBot\nUser-agent: Amzn-User\nUser-agent: DuckAssistBot\nUser-agent: MistralAI-User\nUser-agent: MistralAI-Index\nAllow: /\nDisallow: /Membership/Memberzone/\nDisallow: /is/\nDisallow: /publishing/journals/rssfeed.asp\nDisallow: /pdf/members/newsletters/womenchemists_apr02.pdf\nDisallow: /AboutUs\\News/PressReleases/2009/UVToothBleaching.asp\nDisallow: /Publishing/ChemScience/Volume/2009/03/Turning_the_light_off_on_tooth_bleaching.asp\nDisallow: /Publishing/EdSymp/\nDisallow: /Publishing/ATHENS_index.asp\nDisallow: /images/EdSymp2010_reportforweb_tcm18-185058.pdf\nDisallow: /Labs/\nDisallow: /placesofchemistry/\nDisallow: /rsc-id/\nDisallow: 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https://www.rsc.org/sitemap.xml\n","crawlerList":{"count":29,"updated":"2026-10-01","version":"29-19a6fb23"},"tier":"free","upgrade":{"api":"https://tools.yukai.uk/go/ai-crawlers-api?from=free-ai-crawlers&c=upgrade","bulk":"https://tools.yukai.uk/go/ai-crawlers-apify?from=free-ai-crawlers&c=upgrade","all":"https://tools.yukai.uk/llms.txt","note":"More checks per month: AI Crawler Access Checker API (free plan: 100 requests/month). Many sites per run and change monitoring: AI Crawler Access Checker on Apify ($2 per 1,000 sites)."},"index":"https://tools.yukai.uk/ai-crawler-index"}