2-Nitro-5,6,7,8-tetrahydronaphtho(2,3-b)furan 5,6,7,8-Tetrahydro-2-nitronaphtho(2,3-b)furan 86295-47-8 BRN 5032812 NAPHTHO(2,3-b)FURAN, 5,6,7,8-TETRAHYDRO-2-NITRO- R 7333