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Chemical Name CAS Number Signal Word
5H,6H,7H,8H-pyrido[4,3-c]pyridazine dihydrochloride (EC: 949-554-3) 2287299-40-3 Warning
5H,6H,7H,8H-pyrido[4,3-d]pyrimidin-2-amine dihydrochloride (EC: 803-098-0) 157327-50-9 Warning
5H,6H,7H,8H-pyrido[4,3-d]pyrimidin-4-amine hydrochloride (EC: 113-600-3) 2375269-18-2 Warning
5H,6H,7H,8H-pyrido[4,3-d]pyrimidine-2,4-diamine dihydrochloride (EC: 951-540-7) 121187-73-3 Warning
5H,6H,7H,8H-pyrido[4,3-d]pyrimidine (EC: 816-673-6) 192869-50-4 Warning
5H,6H,7H,8H-thieno[3,2-b][1,4]thiazepin-7-one (EC: 818-352-6) 181145-32-4 Warning
5H,6H,7H-cyclopenta[b]pyrazine-6-carboxylic acid (EC: 853-046-6) 1367948-67-1 Warning
5H,6H,7H-cyclopenta[b]pyridin-1-ium-1-olate (EC: 174-108-2) 90685-58-8 Warning
5H,6H,7H-cyclopenta[b]pyridin-2-ylmethanamine (EC: 835-059-9) 221137-23-1 Danger
5H,6H,7H-cyclopenta[b]pyridin-3-amine (EC: 865-684-2) 178209-29-5 Warning
5H,6H,7H-cyclopenta[b]pyridin-3-ol (EC: 834-717-2) 1211578-28-7 Warning
5H,6H,7H-cyclopenta[b]pyridin-5-one (EC: 804-913-2) 28566-14-5 Warning
5H,6H,7H-cyclopenta[b]pyridin-5-one hydrochloride (EC: 863-054-1) 1220039-95-1 Warning
5H,6H,7H-cyclopenta[b]pyridin-6-amine dihydrochloride (EC: 843-972-9) 1355328-35-6 Warning
5H,6H,7H-cyclopenta[b]pyridin-7-ol (EC: 879-212-8) 41598-71-4 Warning
5H,6H,7H-cyclopenta[b]pyridin-7-one (EC: 863-025-3) 31170-78-2 Warning
5H,6H,7H-cyclopenta[b]pyridin-7-yl acetate (EC: 822-730-6) 90685-59-9 Warning
{5H,6H,7H-cyclopenta[b]pyridin-7-yl}methanol (EC: 958-980-9) 93284-42-5 Warning
5H,6H,7H-cyclopenta[b]pyridine-2-carbaldehyde (EC: 873-868-9) 1315360-66-7 Warning
5H,6H,7H-cyclopenta[b]pyridine-3-carbaldehyde (EC: 875-288-1) 1542944-19-3 Warning
5H,6H,7H-cyclopenta[b]pyridine-3-carboxylic acid (EC: 843-568-2) 114402-11-8 Warning
5H,6H,7H-cyclopenta[b]pyridine-6-carboxylic acid (EC: 829-840-3) 591768-76-2 Warning
5H,6H,7H-cyclopenta[b]pyridine-6-carboxylic acid hydrochloride (EC: 835-001-2) 220001-82-1 Warning
5H,6H,7H-cyclopenta[c]pyridazin-3-amine (EC: 878-549-8) 1342288-68-9 Warning
5H,6H,7H-cyclopenta[c]pyridin-3-amine (EC: 840-879-5) 93587-43-0 Warning
5H,6H,7H-cyclopenta[c]pyridin-4-amine (EC: 821-201-7) 1557741-31-7 Warning
5H,6H,7H-cyclopenta[c]pyridin-5-amine dihydrochloride (EC: 895-720-2) 2760889-79-8 Warning
5H,6H,7H-cyclopenta[c]pyridin-6-amine dihydrochloride (EC: 824-237-1) 1909318-69-9 Warning
5H,6H,7H-cyclopenta[c]pyridin-7-one (EC: 899-207-4) 51907-18-7 Warning
5H,6H,7H-cyclopenta[c]pyridine-3-carboxylic acid hydrochloride (EC: 948-783-6) 2253640-06-9 Warning
5H,6H,7H-cyclopenta[c]pyridine-4-carboxylic acid (EC: 964-269-4) 1519143-84-0 Warning
5H,6H,7H-cyclopenta[c]pyridine-5-carboxylic acid hydrochloride (EC: 955-042-0) 2731009-82-6 Warning
5H,6H,7H-cyclopenta[c]pyridine-6-carboxylic acid hydrochloride (EC: 829-868-6) 1803584-62-4 Warning
5H,6H,7H-cyclopenta[d]pyrimidin-2-amine (EC: 997-283-4) 108990-72-3 Warning
5H,6H,7H-cyclopenta[d]pyrimidin-4-amine (EC: 884-700-9) 26979-06-6 Warning
5H,6H,7H-cyclopenta[d]pyrimidin-4-ol (EC: 880-658-0) 5661-01-8 Warning
{5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}hydrazine (EC: 831-632-2) 299441-29-5 Warning
5H,6H,7H-cyclopenta[d]pyrimidine-2,4-diol (EC: 840-798-5) 5466-00-2 Warning
5H,6H,7H-pyrazolo[3,2-b][1,3]oxazin-2-amine hydrochloride (EC: 103-767-0) 1779133-54-8 Warning
{5H,6H,7H-pyrazolo[3,2-b][1,3]oxazin-2-yl}methanol (EC: 963-296-9) 623565-62-8 Warning
5H,6H,7H-pyrazolo[3,2-b][1,3]oxazin-3-amine hydrochloride (EC: 874-273-7) 2101206-27-1 Warning
5H,6H,7H-pyrazolo[3,2-b][1,3]oxazine-2-carbaldehyde (EC: 845-120-1) 623565-63-9 Warning
5H,6H,7H-pyrazolo[3,2-b][1,3]oxazine-2-carboxylic acid (EC: 829-039-9) 718621-99-9 Warning
5H,6H,7H-pyrazolo[3,2-b][1,3]oxazine-3-carbaldehyde (EC: 889-686-8) 1706433-45-5 Warning
5H,6H,7H-pyrazolo[3,2-b][1,3]oxazine-3-carboxylic acid (EC: 816-242-2) 1173003-61-6 Warning
5H,6H,7H-pyrazolo[3,2-b][1,3]oxazine-3-sulfonamide (EC: 842-136-0) 1803609-80-4 Warning
5H,6H,7H-pyrazolo[3,2-b][1,3]oxazine-3-sulfonyl chloride (EC: 818-209-8) 1365941-51-0 Danger
5H,6H,7H-pyrazolo[3,2-b][1,3]oxazine (EC: 820-931-3) 1383675-84-0 Warning
5H,6H,7H-pyrazolo[3,2-b][1,3]thiazine-3-carboxylic acid (EC: 887-172-8) 933708-86-2 Warning
5H,6H,7H-pyrrolo[1,2-a]imidazol-6-ol (EC: 183-397-4) 1378606-06-4 Warning