... Kg High Quality Control, Competitive Price Product nameisotretinoinCAS No.4759-48-2EINECS No.225-296-0Molecular FormulaC20H27O2Quanlity StandardEP6.0InChIInChI=1/C20H28O2/c1 ... )14-19(21)22)11-12-18-17(3)10-7-13-20(18,4)5/h6,8-9,11-12 ... ,14H,7,10,13H2,1-5H3,(H,21,22)/p-1/b9 ...