Phthalazin

Pteridin

Quinoxalin

Benzo Pteridine

Benzo Quinoxaline

Phthalazinone

Quinoxalinone

Pteridinone

[]Phthalazine

[]Pteridine

[]Quinoxaline

Phthalazine

Porphine

Pteridine

Quinoxaline

Quinoxalinol

AminoPteridin

Piperazin

Piperazinone

[]Piperazine

Piperazine

Piperazine Iodo

[4,5-b]Quinoxale

[2,3-a]Quinolizine

[4,5-f]Quino

Order 354563-69-2 Piperazine, 1-(diphenylmethyl)-4-[(2S)-2-piperidinylcarbonyl]-,dihydrochloride

Order 502654-77-5 Piperazine, 1-(ethylsulfonyl)-4-[2-[4-(1H-pyrazol-3-yl)phenoxy]ethyl]-,dihydrochloride

Order 685137-41-1 Piperazine, 1-(hydroxyphenylacetyl)-4-(1-methyl-2-oxo-2-phenylethyl)-

Order 684243-64-9 Piperazine, 1-(methylsulfonyl)-4-[4-[3-(1-piperidinyl)propoxy]phenyl]-

Order 502643-70-1 Piperazine, 1-(phenylacetyl)-4-(6-phenylthieno[2,3-d]pyrimidin-4-yl)-,trifluoroacetate

Order 63633-98-7 Piperazine, 1-(phenylmethyl)-4-(phenylthio)-

Order 745795-01-1 Pyridazine, 3-(4-chlorophenyl)-6-(4-methylphenyl)-4-phenyl-

Order 500884-56-0 Pyridazine, 3-(4-decylphenyl)-6-(4-undecylphenyl)-

Order 837396-27-7 Pyridazine, 3-(4-iodophenyl)-6-[4-(1-methylethyl)-1-piperazinyl]-

Order 745794-94-9 Pyridazine, 3-(4-methoxyphenyl)-4,6-diphenyl-

Order 745794-99-4 Pyridazine, 3-(4-methoxyphenyl)-6-(4-nitrophenyl)-4-phenyl-

Order 2166-04-3 Pyridazine, 3-(4-methoxyphenyl)-6-phenyl-

Order 811861-03-7 Pyridazine, 3-(4-pyridinyl)-4-(tributylstannyl)-

Order 61690-66-2 Pyridazine, 3-(pentyloxy)-6-phenoxy-

Order 502655-15-4 Piperazine, 1-(propylsulfonyl)-4-[2-[4-(1H-pyrazol-3-yl)phenoxy]ethyl]-,dihydrochloride

Order 245487-45-0 Piperazine, 1-(trifluoroacetyl)-, monohydrochloride

Order 370565-20-1 Piperazine, 1,4-bis(2-benzofuranylmethyl)-

Order 815605-03-9 Piperazine, 1,4-bis[(dihexylphosphinyl)methyl]-

Order 388606-59-5 Pyridazine, 3,4-bis(4-methoxyphenyl)-6-(methylsulfonyl)-

Order 229179-83-3 Pyridazine, 3,6-dimethoxy-4-[(S)-(4-methylphenyl)sulfinyl]-