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Chemical Name CAS Number Signal Word
4-(1-phenylethyl)piperidine (EC: 819-416-6) 791726-25-5 Warning
4-[1-(phenylsulfanyl)ethyl]aniline hydrochloride (EC: 175-457-3) 1384430-01-6 Warning
4-(1-Phenylvinyl)morpholine (EC: 686-007-5) 7196-01-2 Warning
4-(1-PIPERAZINYLCARBONYL)MORPHOLINE (EC: 664-219-9) 98834-08-3 Warning
4-(1-Piperazinyl)indole (EC: 821-330-9) 84807-09-0 Warning
4-(1-Piperazinylmethyl)benzoic acid (EC: 109-204-5) 220213-15-0 Warning
4-(1-Piperazinylmethyl)-quinoline hydrochloride (1:1)  (EC: 111-674-1) 1986372-01-3 Warning
4-(1-Piperazinyl)quinazoline dihydrochloride dihydrate (EC: 800-437-4) 59215-41-7 Warning
4-(1-piperidinyl)-2-(E)-butenoicacid hydrochloride (EC: 690-933-5) 197892-69-6 Danger
4-(1-Piperidinylmethyl)-1H-pyrazole-1-acetic acid (EC: 111-371-4) 1264100-89-1 Warning
(4-(1-piperidinylmethyl)phenyl)magnesium bromide (EC: 103-361-3) 480424-83-7 Danger
4-(1-Piperidinylsulfonyl)Benzoic Acid (EC: 870-507-7) 10252-83-2 Danger
4-[1-(prop-2-enoyl)piperidin-3-yl]benzoic acid (EC: 899-405-0) 2567503-22-2 Warning
4-[1-(prop-2-enoyl)piperidin-4-yl]oxane-4-carboxylic acid (EC: 974-693-1) 2567497-38-3 Danger
4-{[1-(prop-2-yn-1-yl)-1H-imidazol-2-yl]methyl}morpholine (EC: 155-278-7) 85102-38-1 Warning
4-(1-propyl-1H-pyrazol-5-yl)pyridine (EC: 979-437-2) 1803589-88-9 Warning
4-(1-Propynyl)phthalic Anhydride (EC: 695-094-9) 1240685-26-0 Warning
4-(1-Pyrazolyl)benzonitrile (EC: 678-716-3) 25699-83-6 Warning
4'-(1-Pyrrolidinyl)acetophenone (EC: 681-896-6) 21557-09-5 Warning
4-(1-pyrrolidinyl)benzaldehyde (EC: 257-570-0) 51980-54-2 Warning
4-(1-Pyrrolidinyl)benzonitrile (EC: 833-985-8) 10282-30-1 Danger
4-(1-Pyrrolidinylcarbonyl)-2-Pyridinamine (EC: 802-375-3) 1060817-34-6 Warning
(4-(1-pyrrolidinylmethyl)phenyl)magnesium bromide (EC: 806-428-1) 480424-78-0 Danger
4-(1-pyrrolidinyl)piperidine (EC: 225-676-6) 5004-07-9 Danger
4-(1-Pyrrolidinylsulfonyl)benzenesulfonyl chloride (EC: 834-806-6) 165669-32-9 Danger
4-[(1-Pyrrolidinylsulfonyl)methyl]aniline (EC: 608-876-1) 334981-10-1 Warning
[4-(1-PYRROLIDINYLSULFONYL)PHENYL]METHANAMINE (EC: 664-207-3) 784997-49-5 Danger
4-[(1R)-1-amino-2,2,2-trifluoroethyl]-3-fluorophenol hydrochloride (EC: 952-828-5) 2470279-78-6 Warning
4-[(1R)-1-amino-2,2,2-trifluoroethyl]phenol hydrochloride (EC: 858-340-8) 2408316-70-9 Warning
4-[(1R)-1-amino-2-hydroxyethyl]benzoic acid hydrochloride (EC: 171-962-8) 1391499-20-9 Warning
4-[(1R)-1-aminoethyl]benzonitrile hydrochloride (EC: 154-418-4) 911372-78-6 Warning
4-[(1R)-1-aminoethyl]-N-pyridin-4-ylcyclohexane-1- carboxamide;hydrate;dihydrochloride (EC: 813-428-5) 129830-38-2 Warning
4-[(1R)-1-aminoethyl]phenol hydrochloride (EC: 971-097-3) 2061996-43-6 Warning
4-{[(1R)-1-[(carboxymethyl)carbamoyl]-2-sulfanylethyl]carbamoyl}butanoic acid (EC: 965-358-0) 117974-05-7 Danger
4-[(1R)-1-hydroxyethyl]-2-nitrophenol (EC: 836-008-3) 1932416-35-7 Warning
4-[(1R)-1-hydroxyethyl]benzoic acid (EC: 865-557-1) 125577-90-4 Warning
4-[(1R)-1-hydroxyethyl]benzonitrile (EC: 858-803-4) 101219-69-6 Warning
4-[(1R)-1-[methanesulfonyl(sodio)carbamoyl]ethyl]phenyl trifluoromethanesulfonate (EC: 691-863-8) 865625-56-5 Warning
4-[(1R)-2,2,2-trifluoro-1-hydroxyethyl]benzoic acid (EC: 964-572-1) 150821-42-4 Warning
4-[(1R)-2,2-difluoro-1-hydroxyethyl]benzoic acid (EC: 176-001-6) 2382350-97-0 Warning
4-[(1R)-2-({6-[(2-{[(2,6-dichlorophenyl)methyl]oxy}ethyl)oxy]hexyl}amino)-1-hydroxyethyl]-2-(hydroxymethyl)phenol (EC: 690-631-3) 503068-34-6 Danger
4-((1R,2R,4R)-born-2-yl)cyclohexanol (EC: 266-122-3) 66072-32-0 Warning
4-[(1R,2S)-2-amino-1-hydroxypropyl]phenol (EC: 977-659-4) 552-85-2 Danger
4-[(1R,2S)-3-(4-fluorophenyl)-2-hydroxy-1-(1H-1,2,4-triazol-1-yl)propyl]benzonitrile (EC: 691-402-0) 160146-17-8 Danger
4-[(1R,2S)-Rel-2-aminocyclopropyl]phenol (EC: 898-654-2) 104777-77-7 Warning
4-[(1R)-2-{[(tert-butoxy)carbonyl]amino}-1-hydroxyethyl]benzoic acid (EC: 964-779-7) 2913226-41-0 Warning
4-[(1R)-2-(tert-butylamino)-1-hydroxyethyl]-2-(hydroxymethyl)phenol;hydrochloride (EC: 627-135-3) 50293-90-8 Danger
4-[(1R,3aS,4R,6aS)-4-(4-hydroxy-3,5-dimethoxyphenyl)-hexahydrofuro[3,4-c]furan-1-yl]-2,6-dimethoxyphenol (EC: 866-825-0) 487-35-4
4-[(1R,3R)-3-aminocyclobutyl]benzonitrile hydrochloride (EC: 948-446-3) 2243508-33-8 Warning
4-{[(1R)-6,7-Dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-1-yl]methyl}phenol (EC: 112-357-0) 524-20-9 Warning