苯并咪唑并[1,2-c]喹唑啉-6(5h)-酮

2-Pentenoic acid, 2-ethyl-, (E)-

2,3,4,5,6,7,8,9,10,11,12,13-Dodecahydro-1H-cyclopenta[12]annulen- 1-one

2-甲基-3-氧代-戊酸

1-benzyl-3-phenylurea