Table 2
Identified hopane and sterane peaks used in this work.
| Peak ID | Hopane m/z = 191 | Peak ID | Sterane m/z = 217 |
|---|---|---|---|
| A | C25 trycyclic terpane (22S+R) | a | C27 pa-diacholestane (20S) |
| B | C26 tricyclic terpane (22S) | b | C27 pa-diacholestane (20R) |
| C | C26 tricyclic terpane (22R) | c | C28 pa-diasterane a (20S) |
| D | Ts 18a(H)-trisnorhopane | d | C28 pa-diasterane b (20S) |
| E | Tm 17a(H)-trisnorhopane | e | C28 pa-diasterane a (20R) |
| F | C29 Tm 17a(H)21p(H)-norhopane | f | C28 pa-diasterane b (20R) |
| G | C29 Ts 18a(H)-norneohopane | g | C27 aa-cholestane (20S) |
| H | C30 17a(H)-hopane | h | C27 pp-cholestane (20R) |
| I | C30 moretane | i | C27 pp-cholestane (20S) |
| J | C31 17a(H)-homohopane (22S) | j | C27 aa-cholestane (20R) |
| K | C31 17a(H)-homohopane (22R) | k | C28 aa-ergostane (20S) |
| L | C32 17a (H), 2ip (H)-30,31 -bishomohopane (22S) | l | C28 pp-ergostane (20R) |
| M | C32 17a (H), 21 p (H)-30,31 -bishomohopane (22R) | m | C28 pp-ergostane (20S) |
| n | C28 aa-ergostane (20R) | ||
| o | C29 aa-stigmastane (20S) | ||
| p | C29 pp-stigmastane (20R) | ||
| q | C29 pp-stigmastane (20S) | ||
| r | C29 aa-stigmastane (20R) |