| 1 | 287-00-3 | 2H-Cyclopenta[6,7]naphth[2,3-b]oxirene (9CI) | 2H-Cyclopenta[6,7]naphth[2,3-b]oxirene (9CI) | C13H8O | | |
| 2 | 287-03-6 | | 1H-Cycloprop[b]anthracene | C15H10 | | |
| 3 | 287-05-8 | | Anthra[2,3-b]oxirene (9CI) | C14H8O | | |
| 4 | 287-08-1 | 环十五(碳)烯氧化物 | CYCLOPENTADECENE OXIDE | C15H28O | | |
| 5 | 287-12-7 | Tricyclo[3.1.0.02,6]hexane | Tricyclo[3.1.0.02,6]hexane | C6H8 | | |
| 6 | 287-13-8 | 1,2,3-Methylidynecyclohexane | 1,2,3-Methylidynecyclohexane | C7H10 | | |
| 7 | 287-21-8 | | 1,3,2,4-Diphosphadiborete | B2P2 | | |
| 8 | 287-23-0 | Cyclobutane | Cyclobutane | C4H8 | | |
| 9 | 287-23-0 | 環丁烷 | CYCLOBUTANE | C4H8 | | |
| 10 | 287-24-1 | AZETE | AZETE | C3H3N | | |
| 11 | 287-25-2 | 2H-Oxete | 2H-Oxete | C3H4O | | |
| 12 | 287-26-3 | | Phosphetane | C3H7P | | |
| 13 | 287-27-4 | 硫化环丙烷 | Trimethylene sulfide | C3H6S | 其他含硫化合物;感光材料中间体 | |
| 14 | 287-28-5 | Trimethylene selenide | Trimethylene selenide | | | |
| 15 | 287-29-6 | SILACYCLOBUTANE | SILACYCLOBUTANE | C3H8Si | | |
| 16 | 287-31-0 | | Mercury, [ethenolato(2-)-κC2,κO1]- (9CI) | C2H2HgO | | |
| 17 | 287-32-1 | 1,2-Diazacyclobutadiene | 1,2-Diazacyclobutadiene | | | |
| 18 | 287-33-2 | 1,2-Oxazetidine | 1,2-Oxazetidine | C2H5NO | | |
| 19 | 287-36-5 | | 1,2-Oxaphosphetane | C2H5OP | | |
| 20 | 287-37-6 | 1,2-Oxathietane | 1,2-Oxathietane | | | |
| 21 | 287-41-2 | | Mercury, [[(formaldehyde-κC) oximato-κO](2-)]- (9CI) | CHHgNO | | |
| 22 | 287-42-3 | 1,3-Diazacyclobutadiene | 1,3-Diazacyclobutadiene | | | |
| 23 | 287-44-5 | | Triazete | CHN3 | | |
| 24 | 287-46-7 | 2H-1,3-Oxazete | 2H-1,3-Oxazete | | | |
| 25 | 287-53-6 | | 1,3-Dithietane | C2H4S2 | | |
| 26 | 287-54-7 | | Copper, [methanedithiolato(2-)-κS,κS']- (9CI) | CH2CuS2 | | |
| 27 | 287-55-8 | | 1,3-disilacyclobutane | C2H8Si2 | | |
| 28 | 287-56-9 | Tetragermetane (9CI) | Tetragermetane (9CI) | Ge4H8 | | |
| 29 | 287-59-2 | | 1,3,2,4-Diazadiphosphetidine | H4N2P2 | | |
| 30 | 287-64-9 | Tetraphosphetane (8CI,9CI) | Tetraphosphetane (8CI,9CI) | H4P4 | | |
| 31 | 287-65-0 | | 1,3,2,4-Dithiadiphosphetane (8CI,9CI) | H2P2S2 | | |
| 32 | 287-66-1 | 1,3-Diphospha-2,4-disilacyclobutane (8CI,9CI) | 1,3-Diphospha-2,4-disilacyclobutane (8CI,9CI) | H6P2Si2 | | |
| 33 | 287-68-3 | | Cyclodisilaselenane (8CI,9CI) | H4Se2Si2 | | |
| 34 | 287-69-4 | | Cyclotetrasilane | H8Si4 | | |
| 35 | 287-72-9 | | Aluminum, [1-propen-1-olato(3-)-κC3,κO1]- (9CI) | C3H3AlO | | |
| 36 | 287-75-2 | | Aluminum, hydro[2-(mercapto-κS)ethenolato(2-)-κO]- (9CI) | C2H3AlOS | | |
| 37 | 287-77-4 | 1H-Arsole | 1H-Arsole | C4H5As | | |
| 38 | 287-81-0 | | Gold, 1,3-butadiene-1,4-diylhydro- (9CI) | C4H5Au | | |
| 39 | 287-82-1 | | Gold, [1,2-ethenedithiolato(2-)-κS,κS']hydro- (9CI) | C2H2AuS2 | | |
| 40 | 287-87-6 | | 1H-Borole | C4H5B | | |
| 41 | 287-92-3 | 环戊烷 | Cyclopentane | C5H10 | 烷;溶剂;烷烃;烃类;脂肪烃;环戊烷;原料药;通用试剂;高纯检验;生化试剂 | |
| 42 | 287-93-4 | | 1H-Germole | C4H6Ge | | |
| 43 | 287-94-5 | | Mercury, 1,3-butadiene-1,4-diyl- (9CI) | C4H4Hg | | |
| 44 | 287-95-6 | 3H-Pyrrole | 3H-Pyrrole | C4H5N | | |
| 45 | 287-97-8 | [2H]-吡咯 | 1-Azacyclopentadiene | | | |