Isoxazole,
Order
25043-13-4
6H,7H-Cyclopenta[7,8]cyclopropa[4a,4b]phenanthro[2,1-c]isoxazole,9,19-cyclopregnano[3,4-c]isoxazole deriv.
Order
65981-17-1
Cyclopenta[7,8]phenanthro[10,1-cd]isoxazole,cholest-4-eno[6,5,4-cd]isoxazole deriv.