57912-26-2 6H-13,5,9-(Epoxymetheno)-1H-pyrido[3,2-l][2]- benzazocine,dodecahydro-,5-oxide,(4aR,5S,- 9S,9aS,13S,13aS,15R)-rel- 57915-74-9 Octane, 2-(difluoromethyl)-1,1,1,2,6,6,7,8,8,8-decafluoro-5-methyl- 57921-27-4 Iron alloy,base,Fe 62-68,Cr 19-21,Ni 8-10,Si 2-2.5,Mn 1-2,Nb 0.6-1,Ti 0.6-1,Al 0.3-0.7,C 0-0.1 (08Kh20N9S2BTYu)