CAS: 10323-20-3 EC No: 233-708-5 MDL No: MFCD00135608 Powder Molecular Formula: C₅H₁₀O₅ MW: 150.13 Melting Point: 162-164°

CAS: 7512-17-6 EC No: 231-368-2 MDL No: MFCD00136044 Powder Molecular Formula: C₈H₁₅NO₆ MW: 221.21 . Melting Point: 211° (decomposes)

CAS: 87-72-9 EC No: 201-767-6 MDL No: MFCD00067709 Solid Molecular Formula: C₅H₁₀O₅ MW: 150.13 Melting Point: 160-163° Optical Rotation: [α]20/D +103°, c = 1 in water

CAS: 50-69-1 EC No: 200-059-4 MDL No: MFCD00135453 RTECS: VJ2275000 Powder Molecular Formula: C₅H₁₀O₅ MW: 150.13 Melting Point: 88-92° Optical Rotation: [α]20/D -19.7°, c = 4 in water