QD181701

屈螺酮 EP 杂质 A

Drospirenone EP Impurity A

别名：(2'S,4aR,4bS,6aS,7aS,8aS,8bR,8cR)-4a,6a-dimethyl-4,4a,4b,5,6,6a,8,8a,8b,8c,9,10-dodecahydro-2H,3'H-spiro[cyclopropa[4,5]cyclopenta[1,2-a]phenanthrene-7,2'-furan]-2,5'(3H,4'H,7aH)-dione