- 272-16-2 Benzo[d]Isothiazole
- 272-23-1 Thieno[2,3-b]pyridine (8CI,9CI)
- 272-24-2 Thieno[2,3-d]pyrimidine (8CI,9CI)
- 272-26-4 Isothiazolo[5,4-d]pyrimidine (8CI,9CI)
- 272-30-0 BENZO[B]SELENOPHENE
- 272-31-1 1,2-Benzisoselenazole
- 272-32-0 A-N-Benzoyl-L-ArginineEthylEsterHydrochloride(B
- 272-35-5 Benzo[b]tellurophene
- 272-43-5 thieno[3,4-b]pyrazine
- 272-48-0 3H-pyrrolo[3,2-b]pyridine
- 272-49-1 4-Azaindole
- 272-50-4 1,4,6-Triazaindene
- 272-51-5 2H-Pyrazolo[4,3-b]pyridine
- 272-52-6 1H-PYRAZOLO[4,3-B]PYRIDINE
- 272-53-7 7H-Pyrazolo[4,3-d]pyrimidine (8CI,9CI)
- 272-54-8 5H-Pyrazolo[4,3-d]pyrimidine (8CI,9CI)
- 272-55-9 2H-Pyrazolo[4,3-d]pyrimidine (8CI,9CI)
- 272-56-0 3H-Pyrazolo[4,3-d]pyrimidine (8CI,9CI)
- 272-57-1 1H-Pyrazolo[4,3-d]pyrimidine (6CI,8CI,9CI)
- 272-58-2 Isoxazolo[4,3-d]pyrimidine (8CI,9CI)
- 272-60-6 4,7-DIAZA-1H-INDAZOLE
- 272-62-8 furo[3,2-b]pyridine
- 272-67-3 THIENO[3,2-B]PYRIDINE
- 272-68-4 Thieno[3,2-d]pyrimidine (8CI,9CI)
- 272-94-6 2H-Benzimidazole(8CI,9CI)
- 272-96-8 4H-iMidazo[4,5-c]pyridine
- 272-97-9 5-AZABENZIMIDAZOLE
- 273-00-7 1H-IMIDAZO[4,5-D]PYRIDAZINE
- 273-02-9 Pseudoazimidobenzene
- 273-05-2 1H-1,2,3-TRIAZOLO[4,5-C]PYRIDINE
- 273-09-6 BENZOFURAZAN
- 273-13-2 2,1,3-Benzothiadiazole
- 273-15-4 2,1,3-benzoselenadiazole
- 273-21-2 4-Azabenzimidazole
- 273-24-5 5H-Purine (9CI)
- 273-27-8 6H-Purine (8CI,9CI)
- 273-28-9 8H-Purine (8CI,9CI)
- 273-34-7 1H-1,2,3-TRIAZOLO[4,5-B]PYRIDINE
- 273-37-0 7H-1,2,3-Triazolo[4,5-d]pyrimidine (9CI)
- 273-38-1 5H-1,2,3-Triazolo[4,5-d]pyrimidine (9CI)
- 273-39-2 2H-1,2,3-Triazolo[4,5-d]pyrimidine (9CI)
- 273-40-5 1H-1,2,3-Triazolo[4,5-d]pyrimidine (9CI)
- 273-47-2 [1,2,5]Thiadiazolo[3,4-d]pyrimidine (8CI,9CI)
- 273-53-0 Benzoxazole
- 273-56-3 [1,3]oxazolo[4,5-c]pyridine
- 273-62-1 Oxazolo[5,4-b]pyridine
- 273-64-3 Oxazolo[5,4-d]pyrimidine (8CI,9CI)
- 273-66-5 [1,2,3]Oxadiazolo[5,4-d]pyrimidine (8CI,9CI)
- 273-70-1 thiazolo[5,4-c]pyridine
- 273-75-6 Thiazolo[5,4-c]pyridine
- 273-76-7 THIAZOLO[4,5-D]PYRIDAZINE
- 273-77-8 1,2,3-BENZOTHIADIAZOLE
- 273-84-7 [1,3]THIAZOLO[5,4-B]PYRIDINE
- 273-86-9 Thiazolo[5,4-d]pyrimidine (6CI,7CI,8CI,9CI)
- 273-88-1 [1,2,3]Thiadiazolo[5,4-d]pyrimidine (8CI,9CI)
- 273-91-6 Benzoselenazole
- 273-94-9 1H-IMIDAZO[4,5-B]PYRAZINE
- 273-95-0 2H-1,2,3-TRIAZOLO[4,5-B]PYRAZINE
- 273-97-2 Oxazolo[4,5-b]pyridine
- 273-98-3 THIAZOLO[4,5-B]PYRIDINE
- 273-99-4 Thiazolo[4,5-d]pyrimidine (8CI,9CI)
- 274-07-7 CATECHOLBORANE
- 274-09-9 1,3-Benzodioxole
- 274-23-7 1,3-Dioxolopyrimidine (8CI,9CI)
- 274-26-0 2H-1,3-benzoxathiole
- 274-30-6 1,3-BENZODITHIOL
- 274-40-8 INDOLIZINE
- 274-45-3 Pyrrolo[1,2-a]pyrazine
- 274-47-5 Imidazo[1,5-a]pyridine
- 274-49-7 Imidazo[1,5-a]pyrazine
- 274-56-6 Pyrazolo[1,5-a]pyridine
- 274-59-9 1,2,3-TRIAZOLO(1,5-A)PYRIDINE
- 274-67-9 IMIDAZO[1,5-A]PYRIMIDINE
- 274-68-0 Imidazo[1,5-a]-1,3,5-triazine (9CI)
- 274-71-5 PYRAZOLO[1,5-A]PYRIMIDINE
- 274-76-0 Imidazo[1,2-a]pyridine
- 274-78-2 imidazo[1,2-c]pyrimidine
- 274-79-3 IMIDAZO[1,2-A]PYRAZINE
- 274-80-6 1,7,8-triazabicyclo[4.3.0]nona-2,4,6,8-tetraene
- 274-81-7 1,2,4-Triazolo[4,3-c]pyrimidine(9CI)
- 274-82-8 1,2,4]TRIAZOLO[4,3-A]PYRAZINE
- 274-83-9 1,2,4-Triazolo[4,3-b]pyridazine
- 274-85-1 1,7,9-triazabicyclo[4.3.0]nona-2,4,6,8-tetraene
- 274-87-3 1,2,3,3a-Tetraaza-3aH-indene
- 274-89-5 Tetrazolo[1,5-b]pyridazine
- 274-95-3 Imidazo[1,2-a]pyrimidine
- 275-02-5 1,2,4-TRIAZOLO[1,5-A]PYRIMIDINE
- 275-51-4 Azulene
- 275-54-7 Cyclopent[c]azepine
- 275-94-5 Cycloheptimidazole
- 276-37-9 Cycloocta[c]furan
- 277-06-5 DIEPOXYCYCLOHEXANE
- 277-10-1 cubane
- 277-43-0 1H-Cyclopropa[a]naphthalene
- 277-50-9 naphthalene 1,2-oxide
- 277-64-5 Oxireno[3,4]pyrrolo[1,2-b]isoxazole(9CI)
- 277-87-2 Tricyclo[6.2.0.03,6]decane
- 278-02-4 2H-Naphth[2,3-c]-1,2-oxazete (9CI)
- 278-06-8 QUADRICYCLANE
- 278-08-0 3-Azabicyclo[3.2.0]heptane
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