Table 1.

Compound list of the fabclavine derivatives identified in this work. The structures are based on MALDI–HRMS and MALDI–MS² analyses using the known structure of 1 as a reference [20]. The derivatives 1–4 and 17–22 were described previously [20].

#	R1	R2	R3	n	m	molecular formula	m/z [M + H]+
1	Bn	–(CH2)3–		2	4	C70H125N13O13	1356.9593
2		–(CH2)3–		2	4	C67H123N15O13	1346.9498
3	Bn	–(CH2)3–		1	4	C68H121N13O12	1312.9330
4		–(CH2)3–		1	4	C65H119N15O12	1302.9235
5	Bn	–(CH2)3–		2	3	C62H108N12O13	1229.8232
6		–(CH2)3–		2	3	C59H106N14O13	1219.8137
7	Bn	–(CH2)3–		1	3	C60H104N12O12	1185.7969
8		–(CH2)3–		1	3	C57H102N14O12	1175.7874
9	Bn	–(CH2)3–		2	5	C78H142N14O13	1484.0954
10	Bn	–(CH2)3–		1	5	C76H138N14O12	1440.0691
11		–(CH2)3–		2	5	C75H140N16O13	1474.0859
12		–(CH2)3–		1	5	C73H136N16O12	1430.0596
13		H	iPr	1	5	C73H138N16O12	1432.0753
14		H	iPr	2	5	C75H142N16O13	1476.1015
15	CH3	H	iPr	1	3	C54H102N12O12	1111.7813
16	CH3	H		1	3	C53H100N12O13	1113.7606
17		H	iPr	1	3	C57H104N14O12	1177.8031
18		H		1	3	C56H102N14O13	1179.7824
19		H	iPr	2	3	C59H108N14O13	1221.8293
20	Bn	H	iPr	1	3	C60H106N12O12	1187.8126
21	Bn	H		1	3	C59H104N12O13	1189.7979
22	Bn	H	iPr	2	3	C62H110N12O13	1231.8388
23	Bn	H	iPr	1	4	C68H123N13O12	1314.9487
24	Bn	H		1	4	C67H121N13O13	1316.9280
25		H	iPr	1	4	C65H121N15O12	1304.9392
26		H		1	4	C64H119N15O13	1306.9185
27	Bn	H	iPr	2	4	C70H127N13O13	1358.9749
28	Bn	H		2	4	C69H125N13O14	1360.9542
29		H	iPr	2	4	C67H125N15O13	1348.9654
30		H		2	4	C66H123N15O14	1350.9447
31		H	iPr	3	4	C69H129N15O14	1392.9916
32	Bn	H	iPr	3	4	C72H131N13O14	1403.0011