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Chemical Name CAS Number Signal Word
4-(pyridin-4-yl)-1H-imidazol-2-amine (EC: 836-877-9) 103851-74-7 Warning
4-(pyridin-4-yl)-1H-pyrazole-5-carboxylic acid (EC: 985-444-1) 117784-27-7 Warning
4-(pyridin-4-yl)-2,3-dihydro-1,3-thiazol-2-one (EC: 834-644-6) 103317-30-2 Warning
4-(pyridin-4-yl)-4,5-dihydro-1H-1,2,4-triazol-5-one (EC: 893-702-9) 155431-59-7 Warning
4-[(pyridin-4-yl)amino]benzoic acid hydrochloride (EC: 959-528-3) 857540-43-3 Warning
4-{[(pyridin-4-yl)amino]methyl}benzoic acid hydrochloride (EC: 866-482-7) 1193390-57-6 Warning
4-(Pyridin-4-yl)aniline (EC: 674-850-1) 13296-04-3 Warning
4-(pyridin-4-yl)benzene-1,2-diamine (EC: 981-123-5) 80420-88-8 Warning
4-(pyridin-4-yl)butan-1-amine dihydrochloride (EC: 991-719-7) 1216989-68-2 Warning
4-(pyridin-4-yl)butan-2-one hydrochloride (EC: 834-587-7) 2219369-47-6 Warning
4-[(pyridin-4-yl)methoxy]benzene-1-carboximidamide trihydrochloride (EC: 157-021-4) 1221724-14-6 Warning
4-[(pyridin-4-yl)methoxy]phenol (EC: 998-272-7) 1152564-20-9 Warning
4-(pyridin-4-ylmethyl)phenol (EC: 815-925-2) 66414-18-4 Warning
4-(pyridin-4-yloxy)aniline (EC: 844-319-0) 102877-78-1 Warning
4-(pyridin-4-yloxy)benzoic acid hydrochloride (EC: 874-151-3) 1306606-31-4 Warning
4-(pyridin-4-yloxy)phenol (EC: 892-649-9) 103854-63-3 Warning
4-(pyridin-4-yl)phenol (EC: 809-583-3) 77409-99-5 Danger
(4-(Pyridin-4-yl)phenyl)boronic acid (EC: 874-600-3) 1045332-30-6 Warning
4-(pyridin-4-yl)pyrrolidin-2-one (EC: 869-235-1) 1268132-89-3 Warning
4-[(pyridin-4-yl)sulfamoyl]benzoic acid (EC: 103-726-7) 1016747-04-8 Warning
4-(pyridin-4-ylsulfanyl)aniline (EC: 841-692-1) 673-09-6 Warning
4-(pyridin-4-ylsulfanyl)phenol (EC: 982-663-4) 64557-73-9 Warning
4-(pyridine-2-amido)benzoic acid (EC: 874-003-8) 5693-36-7 Warning
4-(pyridine-3-carbonyl)pyrimidine (EC: 997-035-5) 188630-98-0 Warning
4-(pyridine-4-amido)benzene-1-sulfonyl chloride (EC: 856-758-5) 89565-24-2 Danger
4-(pyridine-4-amido)benzoic acid (EC: 874-001-7) 5651-66-1 Warning
4-(pyridine-4-amido)benzoic acid hydrochloride (EC: 898-370-9) 2839157-33-2 Warning
4-(pyridine-4-carbonyl)pyridine (EC: 960-725-1) 6918-15-6 Warning
4-PYRIDINEALDOXIME O-ISOAMYL ETHER (EC: 654-658-4) 6267-19-2 Warning
4-PYRIDINEALDOXIME O-PHENETHYL ETHER (EC: 654-665-2) 6267-22-7 Warning
4-Pyridinecarboxaldehyde, 3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]-, hydrate (1:1) (EC: 609-929-1) 41468-25-1
4-PYRIDINECARBOXYLIC (2,4-DICHLOROBENZYLIDENE)HYDRAZIDE (EC: 659-485-8) 144293-91-4 Danger
4-PYRIDINECARBOXYLIC (3-BROMO-4-HYDROXY-5-METHOXYBENZYLIDENE)HYDRAZIDE (EC: 661-642-0) 92160-05-9 Danger
4-PYRIDINECARBOXYLIC (3-NITROBENZYLIDENE)HYDRAZIDE (EC: 659-473-2) 16012-26-3 Danger
4-PYRIDINECARBOXYLIC (4-HYDROXYBENZYLIDENE)HYDRAZIDE (EC: 661-165-8) 840-81-3 Warning
4-PYRIDINECARBOXYLIC (5-NORBORNEN-2-YLMETHYLENE)HYDRAZIDE (EC: 661-172-6) 22518-78-1 Warning
4-PYRIDINEETHANETHIOL, HYDROCHLORIDE (EC: 613-125-6) 6298-11-9 Danger
4-pyridiniopyridinium dichloride (EC: 226-543-5) 5421-92-1 Warning
4-PYRIDYLACETONITRILE HYDROCHLORIDE, 98% (EC: 626-745-7) 92333-25-0 Warning
4-Pyridylamidoxime (EC: 625-115-9) Warning
4-pyridylamine (EC: 207-987-9) 504-24-5 Danger
4-pyridylmethanol (EC: 209-590-6) 586-95-8 Warning
4-pyridylmethanol N-oxide (EC: 244-926-5) 22346-75-4 Warning
(4-pyridylmethyl)amine (EC: 223-092-6) 3731-53-1 Danger
(4-pyridylthio)acetic acid (EC: 233-765-6) 10351-19-6 Warning
(4-pyridylthio)acetyl chloride hydrochloride (EC: 248-348-4) 27230-51-9 Warning
4-[(pyrimidin-2-yl)amino]benzoic acid (EC: 842-849-7) 920287-46-3 Warning
4-(pyrimidin-2-yl)aniline (EC: 892-004-1) 69491-57-2 Warning
4-(Pyrimidin-2-yl)benzaldehyde (EC: 800-343-3) 77232-38-3 Warning
4-(Pyrimidin-2-yl)benzenesulphonyl chloride (EC: 811-554-5) 912569-53-0 Danger