0 B26R4.1131517341 CC[C@]12CC[C@H]3[C@H]([C@@H]1C=C[C@]2(O)C#C)CC=C4[C@@H]3CCC(=O)C4 Molport-051-508-752 [0,0,0,0,0,0|0,0,2]=2