嘿,帮你在加拿大的online卖药的查的.也不便宜.

http://www.onlinecanadarx.com/ns/customer/product-2713-Tracleer-Bosentan-Tablets.html

Type	Strength		Quantity		Price (USD)
	Brand	125mg		56 Tablets		$4050.00	ADD TO CART	PRICE BEAT
	Please complete the following form and click "BUY WITH NEW PRICE" to submit your price beat request. Name: Tracleer (Bosentan Tablets) 125mg 56 Tablets $4050.00 Enter Competitor's Price:    CALCULATE YOUR NEW PRICE Enter Website Address: (eg. www.pricebeat.com)  BUY WITH NEW PRICE  CLOSE PRICE BEAT WINDOW
	Brand	62.5mg		56 Tablets		$4100.00	ADD TO CART	PRICE BEAT