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Chemical Name CAS Number Signal Word
1H,3H-Thioxantheno[2,1,9-def]-2-benzopyran-1,3-dione (EC: 857-138-7) 14121-49-4
1H-4,5-Diiodopyrazole (EC: 112-586-6) 6645-70-1 Warning
1H,4H,14H,17H-2,16:3,15-Dimethano-5H,6H,7H,8H,9H,10H,11H,12H,13H,18H,19H,20H,21H,22H,23H,24H,25H,26H-2,3,4a,5a,6a,7a,8a,9a,10a,11a,12a,13a,15,16,17a,18a,19a,20a,21a,22a,23a,24a,25a,26a-tetracosaazabis (EC: 805-571-7) 80262-44-8 Warning
1H,4H,5H,6H,7H-[1,2,3]triazolo[4,5-b]pyridine (EC: 825-685-0) 1125405-40-4 Warning
1H,4H,5H,6H,7H,8H-cyclohepta[c]pyrazole-3-carboxylic acid (EC: 842-846-0) 856256-63-8 Warning
1H,4H,5H,6H,7H,8H-pyrazolo[3,4-d]azepin-3-ol dihydrochloride (EC: 860-751-2) 1609406-47-4 Warning
1H,4H,5H,6H,7H,8H-pyrazolo[4,3-c]azepin-4-one (EC: 860-683-3) 1525432-27-2 Warning
1H,4H,5H,6H,7H,8H-pyrrolo[3,2-c]azepin-4-one (EC: 862-935-8) 21357-23-3 Warning
1H,4H,5H,6H,7H-imidazo[4,5-c]pyridine-6-carboxamide (EC: 979-001-1) 1246041-84-8 Warning
1H,4H,5H,6H,7H-imidazo[4,5-c]pyridine-6-carboxylic acid hydrochloride (EC: 101-552-6) 191327-29-4 Warning
1H,4H,5H,6H,7H-pyrazolo[3,4-b]pyridine-3-carboxylic acid hydrochloride (EC: 849-278-2) 2137635-09-5 Warning
1H,4H,5H,6H,7H-pyrazolo[3,4-b]pyridine-4-carboxylic acid hydrochloride (EC: 896-269-4) 2580199-53-5 Warning
1H,4H,5H,6H,7H-pyrazolo[3,4-b]pyridine (EC: 850-042-6) 933734-43-1 Warning
1H,4H,5H,6H,7H-pyrazolo[3,4-c]pyridine-5-carboxylic acid dihydrochloride (EC: 952-049-0) Warning
1H,4H,5H,6H,7H-pyrazolo[3,4-c]pyridine (EC: 836-611-1) 871792-61-9 Danger
1H,4H,5H,6H,7H-pyrazolo[4,3-b]pyridin-3-amine dihydrochloride (EC: 948-086-7) 2230803-03-7 Warning
{1H,4H,5H,6H,7H-pyrazolo[4,3-b]pyridin-3-yl}methanol (EC: 892-729-3) 1784502-61-9 Warning
1H,4H,5H,6H,7H-pyrazolo[4,3-b]pyridine-3-carboxylic acid (EC: 961-848-3) 1785611-07-5 Warning
1H,4H,5H,6H,7H-pyrazolo[4,3-b]pyridine-3-carboxylic acid hydrochloride (EC: 127-208-5) 2680530-13-4 Warning
1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridin-3-amine dihydrochloride (EC: 116-532-2) 1706440-13-2 Warning
{1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridin-3-yl}methanol dihydrochloride (EC: 896-174-8) 2260936-08-9 Warning
1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridin-4-one hydrochloride (EC: 875-564-1) 2445790-81-6 Warning
1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridine dihydrochloride (EC: 826-836-3) 157327-44-1 Warning
1H,4H,5H,6H,7H-pyrrolo[2,3-c]pyridin-7-one (EC: 895-698-4) 1369369-79-8 Warning
1H,4H,5H,6H,7H-pyrrolo[3,2-c]pyridine hydrochloride (EC: 856-516-9) 1555967-60-6 Warning
1H,4H,5H,6H-cyclopenta[b]pyrrole-2-carboxylic acid (EC: 818-816-8) 1041429-45-1 Warning
1H,4H,5H,6H-cyclopenta[c]pyrazol-4-amine dihydrochloride (EC: 117-134-1) 2479428-77-6 Warning
1H,4H,5H,6H-cyclopenta[c]pyrazol-4-one (EC: 843-627-2) 596844-18-7 Warning
1H,4H,5H,6H-cyclopenta[c]pyrazole-3-carbonitrile (EC: 696-189-8) 851776-29-9 Warning
1H,4H,5H,6H-cyclopenta[c]pyrazole-3-carboxamide (EC: 696-183-5) 851776-30-2 Warning
{1H,4H,5H,6H-cyclopenta[d]imidazol-2-yl}methanol (EC: 860-579-8) 1343401-04-6 Warning
1H,4H,5H,6H-cyclopenta[d]imidazole-2-carbaldehyde (EC: 820-638-0) 1339499-04-5 Warning
1H,4H,5H,6H-cyclopenta[d]imidazole-2-thiol (EC: 819-384-3) 10442-99-6 Warning
1H,4H,5H,6H-pyrrolo[2,3-c]pyrrol-6-one (EC: 173-019-6) 1367941-46-5 Warning
1H,4H,5H,6H-pyrrolo[3,4-d]imidazole dihydrochloride (EC: 861-164-4) 1956307-29-1 Warning
1H,4H,5H,7H-pyrano[3,4-b]pyrrol-7-one (EC: 826-846-8) 1123725-74-5 Warning
1H,4H,5H,7H-thiopyrano[3,4-c]pyrazole-3-carboxylic acid (EC: 866-322-6) 1499680-34-0 Warning
1H,4H,5H-benzo[g]indazol-7-ol (EC: 993-167-2) 31184-53-9 Warning
1H,4H,5H-imidazo[4,5-c]pyridin-4-one (EC: 869-211-0) 3243-24-1 Warning
1H,4H,5H-imidazo[4,5-d]pyridazin-4-one (EC: 882-738-0) 28682-94-2 Warning
1H,4H,5H-pyrazolo[3,4-d]pyridazin-4-one (EC: 865-113-7) 13521-25-0 Warning
1H,4H,5H-pyrazolo[4,3-b]pyridin-5-one (EC: 837-776-2) 52090-73-0 Warning
1H,4H,6H,7H-pyrano[3,4-d]imidazole (EC: 961-686-3) 1260663-65-7 Warning
1H,4H,6H,7H-pyrano[4,3-c]pyrazole-3-carboxylic acid (EC: 865-576-5) 518990-20-0 Warning
1H,4H,6H,7H-pyrano[4,3-c]pyrazole (EC: 889-226-6) 258353-57-0 Warning
1H,4H,6H,7H-pyrano[4,3-c]pyrazole hydrochloride (EC: 849-359-2) 1864016-56-7 Warning
1H,4H,6H,7H-thiopyrano[3,4-d]imidazol-2-amine; trifluoroacetic acid (EC: 972-877-6) 2866335-54-6 Warning
1H,4H,6H,7H-thiopyrano[4,3-c]pyrazole-3-carboxylic acid (EC: 878-018-0) 912635-70-2 Warning
1H,4H-chromeno[4,3-c]pyrazole-3-carboxylic acid (EC: 154-234-4) 694507-52-3 Warning
1H,4H-pyrrolo[1,2-b]pyridazin-4-one (EC: 958-691-8) 888720-26-1 Warning