Mass
MS-IW-8947
(1S-(1alpha,4aalpha,4balpha,7alpha,8abeta,10abeta))-1,4b,7-trimethyl-7-vinyldodecahydro-4a,1-(epoxymethano)phenanthrene-9,12-dione
C20H28O3 (Mass of molecular ion: 316)
Source Temperature: 180 °C
Sample Temperature: 160 °C
Direct, 75 eV
17.0 2.1
18.0 10.0
27.0 5.6
28.0 4.1
29.0 6.6
39.0 10.2
40.0 3.9
41.0 31.9
42.0 3.2
43.0 11.2
44.0 9.6
51.0 2.2
52.0 1.4
53.0 15.4
54.0 3.9
55.0 28.8
56.0 2.1
57.0 2.5
63.0 1.1
65.0 6.5
66.0 3.3
67.0 26.4
68.0 20.3
69.0 11.7
70.0 1.6
71.0 1.8
76.0 1.2
77.0 14.7
78.0 4.5
79.0 30.6
80.0 7.8
81.0 29.1
82.0 10.9
83.0 6.3
84.0 1.1
85.0 1.1
86.0 2.6
87.0 1.3
89.0 1.8
91.0 24.3
92.0 5.2
93.0 47.0
94.0 12.3
95.0 19.4
96.0 5.1
97.0 4.8
98.0 4.2
99.0 1.0
101.0 1.1
102.0 1.2
103.0 2.7
104.0 1.4
105.0 17.8
106.0 6.7
107.0 29.4
108.0 87.1
109.0 23.8
110.0 5.9
111.0 8.3
112.0 1.2
115.0 5.5
116.0 2.3
117.0 5.8
118.0 2.4
119.0 12.6
120.0 6.0
121.0 17.6
122.0 5.8
123.0 6.2
124.0 4.1
125.0 4.6
127.0 2.0
128.0 4.5
129.0 5.9
130.0 2.1
131.0 7.8
132.0 3.1
133.0 9.6
134.0 11.4
135.0 21.1
136.0 23.6
137.0 8.4
138.0 1.9
139.0 1.3
141.0 4.0
142.0 2.5
143.0 5.5
144.0 3.5
145.0 10.9
146.0 3.7
147.0 12.7
148.0 6.5
149.0 12.6
150.0 3.2
151.0 3.9
152.0 3.6
153.0 5.6
154.0 2.0
155.0 5.3
156.0 2.6
157.0 6.2
158.0 3.1
159.0 9.6
160.0 10.0
161.0 9.4
162.0 8.3
163.0 100.0
164.0 15.6
165.0 6.6
166.0 2.0
167.0 3.0
168.0 1.6
169.0 5.5
170.0 2.9
171.0 6.3
172.0 3.3
173.0 9.3
174.0 3.9
175.0 14.3
176.0 5.5
177.0 4.1
178.0 3.6
179.0 6.4
180.0 2.4
181.0 3.9
182.0 2.3
183.0 6.1
184.0 2.8
185.0 6.5
186.0 3.4
187.0 6.3
188.0 4.0
189.0 7.1
190.0 2.5
191.0 4.1
192.0 3.2
193.0 6.1
194.0 2.2
195.0 4.0
196.0 1.7
197.0 7.1
198.0 2.4
199.0 6.9
200.0 2.3
201.0 8.2
202.0 3.6
203.0 4.3
204.0 2.5
205.0 4.9
206.0 4.2
207.0 4.4
208.0 2.7
209.0 4.1
210.0 2.1
211.0 6.2
212.0 5.4
213.0 5.6
214.0 3.1
215.0 7.4
216.0 2.1
217.0 4.6
218.0 3.0
219.0 8.4
220.0 19.6
221.0 7.7
222.0 4.9
223.0 2.5
225.0 2.5
226.0 1.6
227.0 9.5
228.0 3.1
229.0 5.2
230.0 6.9
231.0 4.7
232.0 1.8
233.0 5.4
234.0 2.3
235.0 2.5
236.0 1.1
237.0 6.8
238.0 2.0
239.0 7.1
240.0 1.6
241.0 5.5
242.0 2.2
243.0 4.4
244.0 1.9
245.0 6.3
246.0 2.4
247.0 1.1
248.0 2.6
250.0 2.3
251.0 1.0
252.0 5.6
253.0 6.8
254.0 6.7
255.0 19.9
256.0 5.1
257.0 14.8
258.0 3.4
259.0 2.9
260.0 1.5
268.0 1.2
269.0 1.7
270.0 14.6
271.0 10.0
272.0 20.0
273.0 32.8
274.0 7.9
275.0 1.7
283.0 5.6
284.0 1.2
287.0 10.3
288.0 6.2
289.0 1.3
298.0 9.2
299.0 2.2
301.0 14.6
302.0 3.1
316.0 66.4
317.0 15.1
318.0 2.1