Lambar CAS:4415-87-6 MF:Saukewa: C8H4O6 MW:196.11 EINECS Lamba:224-577-5 Ma'ana:3a,3b,6a,6b-Tetrahydrocyclobuta[1,2-c:3,4-c'] difuran-1,3,4,6-tetrone;4,9-Dioxatricyclo[5.3.0.02,6] decane-3,5,8,10-tetrone;Cyclobutane 1,2,3,4-tetracarboxylic acid 1,2:3,4-dianhydride;Cyclobutane-1,2,3,4-tetracarboxylic dianhydride ,98%;Cyclobutane-1,2,3,4-tetracarboxylic acid dianhydride;Cyclobutane-1,2,3,4-tetracarboxylic acid dianhydride (CBDA);Cyclobutane-1,2,3,4-tetracarboxylic