C,1,121.5,s, C,2,130.52,s, N,3,,, C,4,52.18,s, C,5,52.18,s, C,6,52.18,s, H,7,5.76,dd,"12.0,1.5" H,8,5.76,dd,"15.0,1.5" H,9,6.5,dd,"15.0,12.0" H,10,3.57,s, H,11,3.57,s, H,12,3.57,s, H,13,3.57,s, H,14,3.57,s, H,15,3.57,s, H,16,3.57,s, H,17,3.57,s, H,18,3.57,s,