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Chemical Name CAS Number Signal Word
tert-butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2-oxazol-3-yl]piperidine-1-carboxylate (EC: 974-278-5) 2710296-00-5 Warning
tert-butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-thiazol-2-yl]piperazine-1-carboxylate (EC: 171-345-3) 1344124-61-3 Warning
tert-butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl]piperazine-1-carboxylate (EC: 154-067-7) 1346808-98-7 Warning
tert-butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]piperazine-1-carboxylate (EC: 976-343-3) 940284-98-0 Danger
tert-butyl 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]piperidine-1-carboxylate (EC: 889-091-3) 1350543-63-3 Warning
tert-butyl 4-(5,6,7,8-tetrahydro-1,8-naphthyridin-2-yl)piperidine-1-carboxylate (EC: 155-703-6) 206989-63-1 Warning
tert-butyl 4-(5-amino-1,3,4-oxadiazol-2-yl)piperazine-1-carboxylate (EC: 896-149-1) 2191446-18-9 Warning
tert-butyl 4-(5-amino-1,3,4-oxadiazol-2-yl)piperidine-1-carboxylate (EC: 861-144-5) 1312760-32-9 Warning
tert-butyl 4-(5-amino-1H-1,3-benzodiazol-2-yl)piperidine-1-carboxylate (EC: 845-850-0) 2094920-12-2 Warning
tert-butyl 4-[(5-amino-1H-pyrazol-1-yl)methyl]piperidine-1-carboxylate (EC: 863-943-4) 2174002-07-2 Warning
tert-butyl 4-(5-amino-1H-pyrazol-1-yl)piperidine-1-carboxylate (EC: 157-547-4) 872999-07-0 Warning
tert-butyl 4-(5-amino-1H-pyrazol-3-yl)piperazine-1-carboxylate (EC: 976-757-4) 1401222-55-6 Warning
tert-butyl 4-(5-amino-1H-pyrazol-3-yl)piperidine-1-carboxylate (EC: 835-297-3) 1169563-99-8 Warning
tert-butyl 4-(5-amino-1-methyl-1H-1,2,4-triazol-3-yl)piperidine-1-carboxylate (EC: 983-907-2) 1788722-27-9 Warning
tert-butyl 4-(5-amino-4H-1,2,4-triazol-3-yl)piperazine-1-carboxylate (EC: 819-430-2) 1263286-45-8 Warning
tert-butyl 4-[5-(aminomethyl)-1,2-oxazol-3-yl]piperidine-1-carboxylate (EC: 117-434-2) 2260935-83-7 Danger
tert-butyl 4-(5-aminopentyl)piperidine-1-carboxylate (EC: 976-717-6) 1205749-93-4 Danger
tert-butyl 4-(5-aminopyrazin-2-yl)piperazine-1-carboxylate (EC: 843-468-9) 1190071-58-9 Warning
tert-butyl 4-[(5-aminopyridin-2-yl)oxy]piperidine-1-carboxylate (EC: 998-689-4) 346665-41-6 Warning
tert-butyl 4-(5-aminopyridin-2-yl)piperazine-1-carboxylate (EC: 869-810-7) 119285-07-3 Warning
tert-butyl 4-(5-aminopyridin-3-yl)piperazine-1-carboxylate (EC: 846-203-5) 1245914-05-9 Danger
tert-butyl 4-(5-aminopyrimidin-2-yl)piperazine-1-carboxylate (EC: 895-733-3) 892491-98-4 Warning
tert-butyl 4-(5-bromo-1,3,4-thiadiazol-2-yl)-1,4-diazepane-1-carboxylate (EC: 937-742-8) 1357147-44-4 Warning
tert-butyl 4-(5-bromo-1,3,4-thiadiazol-2-yl)piperazine-1-carboxylate (EC: 937-741-2) 1352925-43-9 Warning
tert-butyl 4-(5-bromo-1,3-thiazol-2-yl)piperidine-1-carboxylate (EC: 821-196-1) 951259-16-8 Warning
tert-butyl 4-(5-bromo-3-methyl-1H-1,2,4-triazol-1-yl)piperidine-1-carboxylate (EC: 155-166-8) 2241127-98-8 Warning
tert-butyl 4-(5-bromo-4-methyl-1,3-thiazol-2-yl)piperazine-1-carboxylate (EC: 116-346-1) 2694728-59-9 Warning
tert-butyl 4-(5-bromofuran-2-yl)piperidine-1-carboxylate (EC: 946-703-4) 2173996-35-3 Warning
tert-butyl 4-(5-bromopyrazin-2-yl)piperazine-1-carboxylate (EC: 867-399-9) 622386-08-7 Warning
tert-butyl 4-(5-bromopyridin-2-yl)piperidine-1-carboxylate (EC: 894-379-7) 622387-27-3 Warning
tert-butyl 4-(5-bromopyridin-3-yl)piperazine-1-carboxylate (EC: 175-711-3) 412348-60-8 Warning
tert-butyl 4-(5-bromopyrimidin-2-yl)piperazine-1-carboxylate (EC: 891-255-4) 374930-88-8 Danger
tert-butyl 4-(5-bromopyrimidin-2-yl)piperidine-1-carboxylate (EC: 964-265-2) 1211538-92-9 Warning
tert-butyl 4-(5-chloro-1H-pyrazol-3-yl)piperidine-1-carboxylate (EC: 947-421-4) 2225144-88-5 Warning
tert-butyl 4-(5-chloro-3-fluoro-2-formylphenyl)piperazine-1-carboxylate (EC: 977-714-2) 1918951-18-4 Warning
tert-butyl 4-[5-(chloromethyl)-1,2-oxazol-3-yl]piperidine-1-carboxylate (EC: 867-330-2) 2091871-85-9 Danger
tert-butyl 4-[5-(chloromethyl)-1,3,4-thiadiazol-2-yl]piperidine-1-carboxylate (EC: 100-709-6) 2411230-41-4 Danger
tert-butyl 4,5-dihydro-3H-spiro[1,4-benzoxazepine-2,4'-piperidine]-1'-carboxylate (EC: 974-109-5) 2138428-38-1 Warning
tert-butyl 4,5-dihydro-3H-spiro[1,4-benzoxazepine-2,4'-piperidine]-4-carboxylate (EC: 886-974-5) 2126177-04-4 Warning
tert-butyl 4-[(5-fluoro-2-formylphenyl)methyl]piperazine-1-carboxylate (EC: 969-502-3) 2825012-05-1 Warning
tert-butyl 4-(5-formylfuran-2-yl)piperazine-1-carboxylate (EC: 981-012-1) 1219911-62-2 Warning
tert-butyl 4-{5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazin-3-yl}piperidine-1-carboxylate (EC: 967-515-9) 1794557-73-5 Warning
tert-butyl 4-[5-(hydroxymethyl)-1,2-oxazol-3-yl]piperidine-1-carboxylate (EC: 990-790-1) 2031258-93-0 Warning
tert-butyl 4-(5-hydroxypentyl)piperazine-1-carboxylate (EC: 867-640-8) 1267246-44-5 Warning
tert-butyl 4-(5-hydroxypentyl)piperidine-1-carboxylate (EC: 825-654-1) 191725-50-5 Warning
tert-butyl 4-(5-hydroxypyridin-2-yl)piperazine-1-carboxylate (EC: 182-983-7) 1211542-18-5 Warning
tert-Butyl 4-(5-nitropyridin-2-yl)piperazine-1-carboxylate (EC: 847-868-4) 193902-78-2 Danger
tert-butyl 4-(5-oxopiperazin-2-yl)piperidine-1-carboxylate (EC: 117-090-3) 2353074-20-9 Danger
tert-butyl 4-(5-oxopyrrolidin-3-yl)piperidine-1-carboxylate (EC: 896-102-5) 1699333-26-0 Warning
tert-butyl 4-[(5-phenyl-1,2-oxazol-3-yl)carbamoyl]piperazine-1-carboxylate (EC: 814-398-6) 886979-78-8 Warning