1,3,2-Dioxaborinane, 2,2'-[(1-methyl-1,3-propanediyl)bis(oxy)]bis[4-methyl- 1,3-Butanediol, cyclic ester with boric acid (H3BO3), 1-methyltrimethylene ester 1,3-Butanediol, ester with boric acid (H3BO3) (1:2), cyclic B,B:B',B'-bis(1-methyltrimethylene) ester 2,2'-(1-Methyltrimethylenedioxy)bis(4-methyl-1,3,2-dioxaborinane) 2665-13-6 Biobor NSC526740