欧盟法规
C&L通报上下游产品
(4-(2-(thiosulfate)-4-(dimethylamino)-phenylimino)-cyclohex-2,5-dienylidene)-N,N-dimethyl ammonium 4-amino-N,N-dimethylaniline p-dimethylaminonitrosobenzene Leuco-Methylenblausemi-reduced methylene blue phenylnitrenium ion tetrathionic acid carbon dioxide