| German | Italian |
| 5-Allyl-1,3-benzodioxol | safrolo |
| 5-Allyl-1,3-benzodioxol | 5-allil-1,3-benzodiossolo |
| 1,3-Bisphenylsulfonylthio-2-N,N-dimethylaminopropan | 1,3-bisfenilsulfoniltio-2-N,N-dimetilaminopropan-1,3-ditiolo |
| 1,3-Bisphenylsulfonylthio-2-N,N-dimethylaminopropan | bensultap |
| Buta-1,3-dien | 1,3-butadiene |
| 1,3-Butadien | 1,3-butadiene |
| 2-Chlor-1,3-butadien | 2-Cloro-1,3-butadiene |
| 1-Chlor-2,3-epoxypropan | epicloridrina |
| 3-4'-Methylbenzyliden-d,1-Campfer | 3-4'-metilbenzilidene canfora |
| 1,1,1,2,2,3,4,5,5,5-Decafluorpentan | 1,1,1,2,2,3,4,5,5,5-decafluoropentano |
| 3-Decyloxy-2-hydroxy-1-aminopropan-hydrochlorid | cloridrato di decilossi-3-idrossi 2 amino-1 propano |
| 3-Decyloxy-2-hydroxy-1-aminopropan-hydrochlorid | decominol |
| 1,3-Diazol | imidazolo |
| 1,2-Dibrom-3-Chlorpropan | 1,2-dibromo-3-cloropropano |
| 1,2-Dibrom-3-chlorpropan | 1,2-dibromo-3-cloropropano |
| 1,3-Dichlor-2-propanol | 1,3-dicloro-2-propanolo |
| 1,3-Dimethylbarbitursäure | acido dimetil-1,3 barbiturico |
| 1,3-Dimethylbarbitursäure | acido 1,3-dimetilbarbiturico |
| 1-5-Ethylsulfonyl-1,3,4-thiadiazol-2-yl-1,3-dimethylharnstoff | etidimuron |
| 1-5-Ethylsulfonyl-1,3,4-thiadiazol-2-yl-1,3-dimethylharnstoff | 1-5-etilsolfonil-1,3,4-tiadiazol-2-il-1,3-dimetilurea |
| Dimethyl-1,3-oxazolidin | dimetil-ossazolidina |
| 7-Ethyl-1-aza-3,7-dioxabicyclo3.3.0.octan | 7-etilbicicloossazolidina |
| 2-Ethylhexan-1,3-diol | 2-etilesan-1,3-diolo |
| 1,1,1,2,3,3,3-Heptafluorpropan | eptafluoropropano |
| 1,1,1,2,3,3,3-Heptafluorpropan | 1,1,1,2,3,3,3-eptafluoropropano |
| 2-Methyl-1,3-butadien | 2-metil-1,3-butadiene |
| 2-Methyl-1,3-butadien | isoprene |
| 6-Methyl-1,3-dithiolo4,5-bquinoxalin-2-on | 6-metil-1,3-ditiolo4,5-bchinossalin-2-one |
| 3,4 Methylenedioxy-Phenylpropan-2-1 | 3,4 metilendiossi-fenil-2-propanone |
| 1-Methyl-3-nitro-1-nitrosoguanidin | 1-metil-3-nitro-1-nitrosoguanidina |
| 3-Monochlor-1,2-propandiol | 3-monocloro-1,2-propanediolo |
| 1,1,1,3,3-Pentafluorbutan | 1,1,1,3,3‐pentafluorobutano |
| 1-4-tert-Butylphenyl-3-4-methoxyphenylpropan-1,3-dion | 1-4-terbutifenil-34-metossifenil-1-3 propanedione |
| propan-1,2,3-riol | E422 |
| propan-1,2,3-riol | glicerina |
| propan-1,2,3-riol | glicerolo |
| 1,3-Propansulton | 1,3-propanosultone |
| 1,3-Propansulton | 1,3-propansultone |
| 1-Propen-2-chlor-1,3-diol-diacetat | 1-propene-2-cloro-1,3-diol-diacetato |
| 1,3-Propiolacton | 3-propanolide |
| 1,3-Propiolacton | 1,3-propiolattone |
| 1,2,3,6-Tetrahydro-N-1,1,2,2-tetrachlorethylthio | captafoloISO |
| 1,2,3,6-Tetrahydro-N-1,1,2,2-tetrachlorethylthio | 1,2,3,6-tetraidro-N-1,1,2,2-tetracloroetiltioftalimmide) |
| 2,4,6-Trianilin-p-carbo-2'-ethylhexyl-1'-oxi-1,3,5-triazin | 2,4,6-trianilina-p-carbo-2'-etilesile-1'ossi-1,3,5-triazina |
| 1,2,3-Trichlorpropan | 1,2,3-tricloropropano |
| 1,3,5-Trimethylbenzol | mesitilene |
| 1,3,5-Trimethylbenzol | 1,3,5-trimetilbenzene |
