1. 1,1-Cyclobutanedicarboxylic acid 急性毒性试验半数致死量(LD50) 2. 1,1-Cyclobutanedicarboxylic acid 亚慢性毒性试验半数致死量(LD50) 3. 1,1-Cyclobutanedicarboxylic acid 慢性毒性试验半数致死量(LD50)