91189-25-2
2-甲基-7-苄基-2,7-二氮杂螺[4.4]-1,3,8-壬三酮
→
91189-26-3
2-Benzyl-7-methyl-2,7-diazaspiro[4.4]nonane dihydrochloride
135380-53-9
2-甲基-2,7-二氮杂螺[4.4]壬烷
91188-26-0
2,7-二氮杂螺[4.4]壬烷, 2-甲基-,双盐酸盐