1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene acetaldehyde C13H15NO Mass Spec Chemical MassBank 1,3-Dihydroxyacetone dimer C6H12O6 Mass Spec Natural product MassBank 1,3-Dihydroxyanthraquinone C14H8O4 Mass Spec Environmental MassBank 1,3-Diiminobenz(f)isoindoline C12H9N3 Mass Spec Chemical MassBank 1,3-Dimethyl-2-imidazolidinon C5H10N2O Mass Spec Environmental MassBank 1,3-Dimethyl-2-imidazolidinone C5H10N2O Mass Spec Environmental MassBank 1,3-Dimethyl-2-imidazolidinone — Raman Pharmaceutical Pharma Raman 2025 1,3-Dimethylpteridine-2,4-dione C8H8N4O2 Mass Spec Environmental MassBank 1,3-Dimethylurate C7H8N4O3 Mass Spec Chemical MassBank 1,3-Diphenylguanidine C13H13N3 Mass Spec Environmental MassBank 1,3-Diphenylurea C13H12N2O Mass Spec Chemical MassBank 1,3-Dipropan-2-ylurea C7H16N2O Mass Spec Environmental MassBank 1,3-PROPANEDIOL C3H8O2 Mass Spec Chemical MassBank 1,3-PROPANEDITHIOL C3H8S2 Mass Spec Chemical MassBank 1,3-Phenylenediamine C6H8N2 Mass Spec Natural product MassBank 1,3-Propanediamine C3H10N2 Mass Spec Natural product MassBank 1,3-diethyldiphenylurea C17H20N2O Mass Spec Environmental MassBank 1,4,4A,5,6,7,8,8A-OCTAHYDRO-4A-METHYL-2(3H)-NAPHTHALENONE C11H18O Mass Spec Chemical MassBank 1,4,4A,5,6,7,8,8A-OCTAHYDRO-4A-METHYL-2(3H)-NAPHTHLENONE C11H18O Mass Spec Chemical MassBank 1,4,5,6,7,8,8-HEPTACHLORO-3A,4,7,7A-TETRAHYDRO-4,7-METHANOINDENE C10H5Cl7 Mass Spec Chemical MassBank 1,4,5,7-TETRA-O-ACETYL-2,6-ANHYDRO-3-DEOXY-D-GLUCO-HEPTITOL C15H22O9 Mass Spec Chemical MassBank 1,4,5,7-TETRA-O-ACETYL-2,6-ANHYDRO-3-DEOXY-D-MANNO-HEPTITOL C15H22O9 Mass Spec Chemical MassBank 1,4,5-TRI-O-ACETYL-3,6-DI-O-METHYL-2-N-METHYLACETAMIDO-2-DEOXYHEXITOL (1-D) C17H29NO9 Mass Spec Chemical MassBank 1,4,5-TRIMETHYL-2-PYRAZOLINE C6H12N2 Mass Spec Chemical MassBank 1,4,7,10-TETRAOXACYCLODODECANE C8H16O4 Mass Spec Chemical MassBank 1,4,7-TRIMETHYL-3,6-DIOXAOCTANE-1,8-DIOL C9H20O4 Mass Spec Chemical MassBank 1,4,7-TRIMETHYLINDAN C12H16 Mass Spec Chemical MassBank 1,4,9,14,19-PENTAOXO-1,4,6,7,8,9,14,15,16,17-DECAHYDRO-7,16-METHANODINAPHTHO(2,3-A:2',3'-F)CYCLODECENE C27H18O5 Mass Spec Chemical MassBank 1,4,9,14-TETRAOXO-1,4,6,7,8,9,14,15,16,17-DECAHYDRO-7,16-METHANODINAPHTHO(2,3-A:2',3'-F)CYCLODECENE C27H20O4 Mass Spec Chemical MassBank 1,4-Androstadiene-3,17-dione C19H24O2 Mass Spec Natural product MassBank 1,4-BENZOQUINONE C6H4O2 Mass Spec Chemical MassBank 1,4-BIS(1-PHENYLTETRAMETHYLDISILANYL)BENZENE C26H38Si4 Mass Spec Chemical MassBank 1,4-BIS(6-METHYL-3-PYRIDYL)BUTADIYNE C16H12N2 Mass Spec Chemical MassBank 1,4-BIS(CHLOROMETHYLPHENYLSILYL)BENZENE C20H20Cl2Si2 Mass Spec Chemical MassBank 1,4-BIS(CHLOROMETHYLPHENYLSILYL)NAPHTHALENE C24H22Cl2Si2 Mass Spec Chemical MassBank 1,4-BIS(DIMETHYLSILYL)BUTANE C8H22Si2 Mass Spec Chemical MassBank 1,4-BIS(DIMETHYLSILYL)BUTANE (D2) C8H22Si2 Mass Spec Chemical MassBank 1,4-BIS(MERCAPTOMETHYL)-2,5-DIMETHOXYBENZENE C10H14O2S2 Mass Spec Chemical MassBank 1,4-BIS(MERCAPTOMETHYL)BENZENE C8H10S2 Mass Spec Chemical MassBank 1,4-BIS(METHLPHENYLSILYL)NAPHTHALENE C24H24Si2 Mass Spec Chemical MassBank 1,4-BIS(METHYLDIPHENYLSILYL)-2,3-DIMETHYL-2-BUTENE C32H36Si2 Mass Spec Chemical MassBank 1,4-BIS(PENTAMETYLDISILANYL)BENZENE C16H34Si4 Mass Spec Chemical MassBank 1,4-BIS(TRIBUTYLSTANNYL)-2-BUTENYLENE C28H60Sn2 Mass Spec Chemical MassBank 1,4-BIS(TRIMETHYLSILOXY)BUTANE C10H26O2Si2 Mass Spec Chemical MassBank 1,4-BIS(TRIMETHYLSILYL)-2,3-DIMETHYL-2-BUTENE C12H28Si2 Mass Spec Chemical MassBank 1,4-BIS(TRIMETHYLSILYL)BENZENE C12H22Si2 Mass Spec Chemical MassBank 1,4-BIS(TRIMETHYLSTANNYL)-2-BUTENYLENE C10H24Sn2 Mass Spec Chemical MassBank 1,4-BUTANE SULTONE C4H8O3S Mass Spec Chemical MassBank 1,4-BUTANEDIAMINE C4H12N2 Mass Spec Chemical MassBank 1,4-BUTANEDICARBONITRILE C6H8N2 Mass Spec Chemical MassBank