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单词 Prontosil 释义 Prontosil Pharm.|prntsl|Also prontosil.[G., proprietary name.]1. A proprietary name for a reddish-brown crystalline bacteriostatic dye, 2′,4′-diaminoazobenzene-4-sulphonamide, C12H13N5O2S, which was the first of the sulpho...