Table 1.

¹H and ¹³C-NMR data obtained in CDCl₃ at 600 MHz for the algicidal compound.

Position	DEPT	δ(C)	δ(H)
1	N
2	CH	122.5	6.66(s)
3	CH	112.2	6.69(d, 2.56 Hz)
4	CH	109.8	6.16(s)
5	C	128.7
6	C	159.4
7	CH	95.4	6.09(s)
8	C	169.0
9	C	138.3
10	CH	115.8	6.83(s)
11	C	127.5
12	CH	120.8	6.36(s)
13	C	124.1
14	C	136.4
15	CH3	10.5	1.78(s)
16	CH2	25.6	2.24(t, 7.57 Hz)
17	CH2	30.3	1.47(m)
18	CH2	31.8	1.28(m)
19	CH2	22.6	1.32(m)
20	CH3	14.1	0.88(t, 6.92)
21	CH3	58.5	3.99(s)
22	NH
23	NH