... ) manufacturers and suppliers in China. You are able to wholesale or buy 1,2-dihydro exemestane(19457-55-7) made in China ... sea,by DHL,Fedex,UPS,USPS,TNT,ect.Product Name:1,2-Dihydro ExemestaneSynonyms:6-methyleneandrost-4-ene-3,17-dione ... :19457-55-7Purity:≥95%Formula:C20H26O2Molecular Weight:298.41900Our Advantage:1.Fast delievery:We have mass stock of this product so ...