9 10-dihydroanthracene-9 10-endo-a b-succinic anhydride July 8, 2019 16 32 64 128 9 10-dihydroanthracene-9 10-endo-a b-succinic anhydride molar mass 9 10-dihydroanthracene-9 10-endo-α β-succinic anhydride 9 10-dihydroanthracene-9 10-α β-succinic anhydride 9 10-dihydroanthracene-9 10-α β-succinic anhydride sds 9 10-dihydroanthracene-9 10-α β-succinic anhydride physical appearance