ASIN cleanup incorrectly turns

http://www.amazon.co.jp/AMARANTHUS%E3%80%90%E5%88%9D%E5%9B%9E%E9%99%90%E5%AE%9A%E7%9B%A4-CD-Blu-ray-%E3%80%91-%E3%82%82%E3%82%82%E3%81%84%E3%82%8D%E3%82%AF%E3%83%AD%E3%83%BC%E3%83%90%E3%83%BCZ/dp/B0136O5SXK/ref=sr_1_1?ie=UTF8&qid=1455928485&sr=8-1&keywords=4988003477547

into:

http://www.amazon.co.jp/gp/product/AMARANTHUS

Another one:

http://www.amazon.co.jp/AMARANTHUS%E3%80%90%E9%80%9A%E5%B8%B8%E7%9B%A4%E3%80%91-%E3%82%82%E3%82%82%E3%81%84%E3%82%8D%E3%82%AF%E3%83%AD%E3%83%BC%E3%83%90%E3%83%BCZ/dp/B0136OCSS8/ref=sr_1_1?ie=UTF8&qid=1455928973&sr=8-1&keywords=4988003477523

also turned incorrectly into:

http://www.amazon.co.jp/gp/product/AMARANTHUS