Mrv0541 05061311392D 7 7 0 0 0 0 999 V2000 -0.7703 -0.8246 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 -1.4835 -0.4122 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.4835 0.4123 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.1981 0.8246 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.9128 0.4123 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.9128 -0.4122 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.1981 -0.8246 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 0 0 0 0 2 3 1 0 0 0 0 2 7 1 0 0 0 0 3 4 1 0 0 0 0 4 5 1 0 0 0 0 5 6 2 0 0 0 0 6 7 1 0 0 0 0 M END > CHEM033438 > chemdb > O=C1CCC=CO1 > InChI=1S/C5H6O2/c6-5-3-1-2-4-7-5/h2,4H,1,3H2 > VEFDLKXOSOFUIN-UHFFFAOYSA-N > C5H6O2 > 98.0999 > 98.036779436 > 1 > 9.329548385970492 > 1 > 0 > 0 > 0 > 3,4-dihydro-2H-pyran-2-one > 0.63 > 0.6060990156666666 > 0.05 > 0 > 1 > 0 > -7.15911865169973 > 26.3 > 25.0022 > 0 > 1 > 1.11e+02 g/l > 3,4-dihydropyran-2-one > 1 > 5-Hydroxy-4-pentenoic acid d-lactone > 26638-97-1 $$$$