http://vocabularios.saij.gob.ar/vuce/http://vocabularios.saij.gob.ar/vuce/skos/8312Buta-1,3-dieno http://vocabularios.saij.gob.ar/vuce/skos/8312 - - Buta-1,3- Dieno e isopreno BT http://vocabularios.saij.gob.ar/vuce/skos/8312 Buta-1,3-dieno NT