2-Pyridinyl

CAS:15905-71-2

Formula:C5H4N

1,3-Butadienyl, 4-cyano-

CAS:189230-13-5

Formula:C5H4N

1-Propenyl, 3-(ethynylimino)-

CAS:203455-86-1

Formula:C5H4N

Methyl, (1-buten-3-ynylimino)-

CAS:203455-88-3

Formula:C5H4N

4-Pyridinylium

CAS:35895-90-0

Formula:C5H4N

3-Pyridinylium

CAS:35895-91-1

Formula:C5H4N

Pyridinyl

CAS:39430-09-6

Formula:C5H4N

3-Pyridinyl

CAS:29761-81-7

Formula:C5H4N

4-Pyridinyl

CAS:29761-82-8

Formula:C5H4N

Ethenyl, 2-[(Z)-2-propynylideneamino]-

CAS:881033-17-6

Formula:C5H4N