130312-01-5

2-(oxan-4-ylidene)acetic acid (TETRAHYDRO-PYRAN-4-YLIDENE)-ACETIC ACID (Tetrahydro-4H-pyran-4-ylidene)acetic acid 2-(2H-pyran-4(3H,5H,6H)-ylidene)acetic acid 2-(tetrahydro-4H-pyran-4-ylidene)Acetic acid Acetic acid, 2-(tetrahydro-4H-pyran-4-ylidene)- REF DUPL: (Tetrahydro-pyran-4-ylidene)-acetic acid